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CVE-2026-121597

TOTOLINK A950RG Easy Setup Wizard cstecgi.cgi setAppEasyWizardConfig stack-based overflow

A weakness has been identified in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This affects the function setAppEasyWizardConfig of the file /cgi-bin/cstecgi.cgi of the component Easy Setup Wizard Handler. Executing a manipulation of the argument functionType can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2026-121600

TOTOLINK A950RG MAC Filter cstecgi.cgi setMacFilterRules stack-based overflow

A flaw has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected by this vulnerability is the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component MAC Filter Handler. This manipulation of the argument addEffect causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2026-124562

D-Link DIR-878 HNAP SetWanSettings buffer overflow

A vulnerability was identified in D-Link DIR-878 1.20B05. Affected is the function SetWanSettings of the component HNAP Handler. The manipulation of the argument ConfigDNS/Primary/ConfigDNS/Secondary leads to buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used. 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
Products
CVE-2026-58824

In __pkvm_load_tracing of trace.c, there is a possible out-of-bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-124060

TOTOLINK CA300-PoE cstecgi.cgi UploadCustomModule buffer overflow

A vulnerability was detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2026-123961

TOTOLINK CA300-PoE cstecgi.cgi setWiFiBasicConfig buffer overflow

A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument KeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2026-123957

TOTOLINK CA300-PoE cstecgi.cgi setIpQosRules buffer overflow

A vulnerability was determined in TOTOLINK CA300-PoE 6.2c.884. Impacted is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ipStart causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2026-124563

D-Link DIR-878 HNAP SetWanSettings buffer overflow

A security flaw has been discovered in D-Link DIR-878 1.20B05. Affected by this vulnerability is the function SetWanSettings of the component HNAP Handler. The manipulation of the argument Primary/Secondary results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. 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
Products
CVE-2026-124560

D-Link DIR-878 HNAP prog.cgi GetCAPTCHAsetting heap-based overflow

A vulnerability was found in D-Link DIR-878 1.20B05. This affects the function GetCAPTCHAsetting of the file bin/prog.cgi of the component HNAP Handler. Performing a manipulation of the argument uid results in heap-based buffer overflow. The attack can be initiated remotely. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-124058

TOTOLINK CA300-PoE cstecgi.cgi setWiFiRepeaterConfig buffer overflow

A weakness has been identified in TOTOLINK CA300-PoE 6.2c.884. Affected is the function setWiFiRepeaterConfig of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument ApCliKeyStr can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2026-76464

Cisco Meraki Hardening Release October 2026 - Buffer Management Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by this CVE-2026-76464 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.

CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2020-27792

Ghostscript: heap buffer over write vulnerability in ghostscript's lp8000_print_page() in gdevlp8k.c

A heap-based buffer overwrite vulnerability was found in GhostScript's lp8000_print_page() function in the gdevlp8k.c file. This flaw allows an attacker to trick a user into opening a crafted PDF file, triggering the heap buffer overflow that could lead to memory corruption or a denial of service.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
CVE-2023-3576

Libtiff: memory leak in tiffcrop.c

A memory leak flaw was found in Libtiff's tiffcrop utility. This issue occurs when tiffcrop operates on a TIFF image file, allowing an attacker to pass a crafted TIFF image file to tiffcrop utility, which causes this memory leak issue, resulting an application crash, eventually leading to a denial of service.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Products
CVE-2026-121599

TOTOLINK A950RG Multi-SSID Configuration cstecgi.cgi delWiFiMultipleConfig stack-based overflow

A vulnerability was detected in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected is the function setWiFiMultipleConfig/delWiFiMultipleConfig of the file /cgi-bin/cstecgi.cgi of the component Multi-SSID Configuration. The manipulation of the argument wepkey2/wepkey3 results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2026-121517

IrfanView TIFF Wang Annotation heap-based overflow

A vulnerability was detected in IrfanView 4.76.0.0 on Win64. Affected by this vulnerability is an unknown functionality of the component TIFF Wang Annotation Handler. Performing a manipulation results in heap-based buffer overflow. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit is now public and may be used. It is recommended to apply a patch to fix this issue. The vendor confirms: "[T]he TIF-Annotations option is OFF by default. Means, normal users are not affected ... the danger level for this is low".

CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-112502

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause a denial-of-service.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2023-40661

Opensc: multiple memory issues with pkcs15-init (enrollment tool)

Several memory vulnerabilities were identified within the OpenSC packages, particularly in the card enrollment process using pkcs15-init when a user or administrator enrolls cards. To take advantage of these flaws, an attacker must have physical access to the computer system and employ a custom-crafted USB device or smart card to manipulate responses to APDUs. This manipulation can potentially allow compromise key generation, certificate loading, and other card management operations during enrollment.

CVSS 3.1 · 5.4 Medium EPSS 1.3% KEV · Not listed
CVE-2026-120337

VStarcam O-KAM SuperIPCam P2P Session Teardown SuperIPCam.exe FUN_005a2d44 use after free

A vulnerability was determined in VStarcam O-KAM SuperIPCam 1.3.3.32. Affected by this issue is the function FUN_005a2d44 of the file SuperIPCam.exe of the component P2P Session Teardown. This manipulation causes use after free. The attack can 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 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-120281

WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflow

A vulnerability was found in WAVLINK WN536AX6-A V260507. This affects the function strcpy of the file /protocol.csp of the component OpenVPN Handler. The manipulation of the argument openvpn_ip results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.

CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Vendors
Products
CVE-2026-120226

Hangzhou Xiongmai Technology P2PAPI.dll P2P SDK P2PAPI_Connect buffer overflow

A security vulnerability has been detected in Hangzhou Xiongmai Technology P2PAPI.dll 1.3.3.32 on Windows. Affected by this issue is the function P2PAPI_Connect of the component P2P SDK. Such manipulation of the argument input as part of String leads to buffer overflow. An attack has to be approached locally. 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.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Products