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CVE-2026-127277

Linksys EA8100 SMB Service service_smbd.sh initialization

A security flaw has been discovered in Linksys EA8100 1.0.3.216940. The affected element is an unknown function of the file etc/init.d/service_smbd.sh of the component SMB Service. Performing a manipulation of the argument ANON_ACCESS results in improper initialization. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 10 Critical EPSS n/a KEV · Not listed
Vendors
Linksys
Products
Ea8100
CVE-2026-127276

Linksys EA8100 Web UI cookie httponly flag

A vulnerability was identified in Linksys EA8100 1.0.3.216940. Impacted is an unknown function of the component Web UI. Such manipulation leads to cookie without 'httponly' flag. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitability is considered difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 6.3 Medium EPSS n/a KEV · Not listed
Vendors
Linksys
Products
Ea8100
CVE-2026-127275

Linksys EA8100 JNAP API ui_server.lua SetUnsecuredWiFiWarning missing authentication

A vulnerability was determined in Linksys EA8100 1.0.3.216940. This issue affects the function SetRemoteSetting/SetUnsecuredWiFiWarning of the file ui_server.lua of the component JNAP API. This manipulation of the argument isEnabled/enabled causes missing authentication. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 10 Critical EPSS n/a KEV · Not listed
Vendors
Linksys
Products
Ea8100
CVE-2026-127274

Linksys EA8100 CheckAdminPassword excessive authentication

A vulnerability was found in Linksys EA8100 1.0.3.216940. This vulnerability affects unknown code of the file /jnap/core/CheckAdminPassword. The manipulation results in improper restriction of excessive authentication attempts. The attack may be performed from remote. The attack requires a high level of complexity. It is stated that the exploitability is difficult. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 6.3 Medium EPSS n/a KEV · Not listed
Vendors
Linksys
Products
Ea8100
CVE-2026-127273

Linksys EA8100 JNAP API IsAdminPasswordDefault missing authentication

A vulnerability has been found in Linksys EA8100 1.0.3.216940. This affects the function GetWANStatus/GetWANStatus3/IsAdminPasswordDefault of the component JNAP API. The manipulation leads to missing authentication. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 5.3 Medium EPSS n/a KEV · Not listed
Vendors
Linksys
Products
Ea8100
CVE-2026-121933

Linksys E5350 Setup Wizard apply.cgi save_settings missing authentication

A flaw has been found in Linksys E5350 1.0.00.037. This impacts the function save_settings of the file /wizard/apply.cgi of the component Setup Wizard. Executing a manipulation of the argument wizard_router_pwd can lead to missing authentication. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Vendors
Linksys
Products
E5350
CVE-2026-121932

Linksys E5350 apply.cgi system os command injection

A vulnerability was detected in Linksys E5350 1.0.00.037. This affects the function system of the file /wizard/apply.cgi. Performing a manipulation of the argument ping_ip/traceroute_ip results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 10 Critical EPSS 2.4% KEV · Not listed
Vendors
Linksys
Products
E5350
CVE-2026-121931

Linksys WRT54GL Traceroute Diagnostic Function apply.cgi system os command injection

A security vulnerability has been detected in Linksys WRT54GL 4.30.18. The impacted element is the function system of the file apply.cgi of the component Traceroute Diagnostic Function. Such manipulation of the argument traceroute_ip leads to os command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS 4.0 · 9.4 Critical EPSS 2.7% KEV · Not listed
Vendors
Linksys
Products
Wrt54gl
CVE-2026-121930

Linksys WRT54GL Ping Diagnostic apply.cgi system os command injection

A weakness has been identified in Linksys WRT54GL 4.30.18. The affected element is the function system of the file apply.cgi of the component Ping Diagnostic. This manipulation of the argument ping_ip causes os command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS 4.0 · 9.4 Critical EPSS 2.7% KEV · Not listed
Vendors
Linksys
Products
Wrt54gl
CVE-2026-121618

Linksys E5600 Factory Quality Control fqc.cgi information disclosure

A weakness has been identified in Linksys E5600 1.1.0.26. This affects an unknown part of the file /cgi-bin/fqc.cgi of the component Factory Quality Control. This manipulation causes information disclosure. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Linksys
Products
E5600 E5600 Firmware
CVE-2026-121617

Linksys E5600 Header upload_fw.cgi init_multipart out-of-bounds write

A security flaw has been discovered in Linksys E5600 1.1.0.26. Affected by this issue is the function init_multipart of the file /cgi-bin/upload_fw.cgi of the component Header Parser. The manipulation results in out-of-bounds write. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Linksys
Products
E5600 E5600 Firmware
CVE-2026-121616

Linksys E5600 JSON Request mesh_login.cgi strcpy out-of-bounds write

A vulnerability was identified in Linksys E5600 1.1.0.26. Affected by this vulnerability is the function strcpy of the file /cgi-bin/mesh_login.cgi of the component JSON Request Parser. The manipulation of the argument username/password/token/source/cn/action leads to out-of-bounds write. The attack may be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Linksys
Products
E5600 E5600 Firmware
CVE-2026-121615

Linksys E5600 Login mesh_login.cgi improper authentication

A vulnerability was determined in Linksys E5600 1.1.0.26. Affected is an unknown function of the file /cgi-bin/mesh_login.cgi of the component Login Handler. Executing a manipulation can lead to improper authentication. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Vendors
Linksys
Products
E5600 E5600 Firmware
CVE-2013-20007

Linksys WAG200G through 1.01.06 OS Command Injection via timer_interval in setup.cgi

Linksys WAG200G through 1.01.06 contains an OS command injection vulnerability that allows authenticated attackers to execute commands by injecting backtick-delimited input into the timer_interval parameter. Attackers can send a crafted POST request to setup.cgi to start telnetd or download and run a backdoor, gaining full device control.

CVSS 4.0 · 8.6 High EPSS 2.0% KEV · Not listed
Vendors
Linksys
Products
Wag200g
CVE-2013-20009

Linksys WAG200G through 1.01.06 Stored XSS via policy_name Parameter

Linksys WAG200G through 1.01.06 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject scripts via the policy_name parameter in setup.cgi. Attackers can save a malicious policy name from the AccessRes.htm page that executes in administrators' browsers when viewing the Status > Wireless page.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Linksys
Products
Wag200g
CVE-2013-20008

Linksys WAG200G through 1.01.06 Admin Password Change Without Current Password

Linksys WAG200G through 1.01.06 contains a weak password change mechanism that allows attackers to change the administrator password without supplying the current password. Attackers with access to an authenticated administrator browser session can set a new password to lock out the legitimate administrator and take persistent device control.

CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Vendors
Linksys
Products
Wag200g
CVE-2026-120283

Linksys E8450 portal.cgi strcpy stack-based overflow

A vulnerability was identified in Linksys E8450 1.2.00.360516. Affected is the function strcpy of the file /www/cgi-bin/portal.cgi. Such manipulation of the argument hidden_timezone leads to stack-based buffer overflow. The attack can be executed remotely. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Vendors
Linksys
Products
E8450 E8450 Firmware
CVE-2026-114576

Linksys RE6250 Web Management strcmp random values

A vulnerability has been found in Linksys RE6250 1.0.04.001. This affects the function strcmp of the component Web Management Interface. The manipulation of the argument session_id leads to insufficiently random values. The attack may be initiated remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult. The exploit has been disclosed to the public and may be used.

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Linksys
Products
Re6250 Re6250 Firmware
CVE-2026-108896

Linksys E1700 setLinksysIpv6 os command injection

A vulnerability was found in Linksys E1700 1.0.0.4.003. This affects the function setLinksysIpv6 of the file /goform/setLinksysIpv6. The manipulation of the argument _6rd_prefix/_6rd_prefix_len results in os command injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 9.4 Critical EPSS 2.2% KEV · Not listed
Vendors
Linksys
Products
E1700 E1700 Firmware
CVE-2026-108892

Linksys E1700 Mac Filter ssid1MACFilter stack-based overflow

A vulnerability was determined in Linksys E1700 1.0.0.4.003. This vulnerability affects the function ssid1MACFilter of the file /goform/ssid1MACFilter of the component Mac Filter. This manipulation of the argument newap_text_%d causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Vendors
Linksys
Products
E1700 E1700 Firmware