Unauthenticated Router Configuration File Disclosure due to Incorrect Access Control

An incorrect access control vulnerability exists in Tenda W15E V02.03.01.26_cn. An unauthenticated attacker can access the /cgi-bin/DownloadCfg/RouterCfm.jpg endpoint to download the configuration file containing plaintext administrator credentials, leading to sensitive information disclosure and potential remote administrative access.

In Tenda AC1200 Router model W15Ev2 V15.11.0.10(1576), there exists a command injection vulnerability in the function formSetFixTools. This vulnerability allows attackers to run arbitrary commands on the server via the hostname parameter.

The Tenda AC1200 Router model W15Ev2 V15.11.0.10(1576) is affected by a password exposure vulnerability. When combined with the improper authorization/improper session management vulnerability, an attacker with access to the router may be able to expose sensitive information which they're not explicitly authorized to have.

The Tenda AC1200 V-W15Ev2 V15.11.0.10(1576) router is vulnerable to improper authorization / improper session management that allows the router login page to be bypassed. This leads to authenticated attackers having the ability to read the routers syslog.log file which contains the MD5 password of the Administrator's user account.

Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a command injection vulnerability via the PortMappingServer parameter in the setPortMapping function.

In Tenda AC1200 Router model W15Ev2 V15.11.0.10(1576), a Stored Cross Site Scripting (XSS) vulnerability exists allowing an attacker to execute JavaScript code via the applications stored hostname.

In Tenda (Shenzhen Tenda Technology Co., Ltd) AC1200 Router model W15Ev2 V15.11.0.10(1576), a Stored Cross Site Scripting (XSS) issue exists allowing an attacker to execute JavaScript code via the applications website filtering tab, specifically the URL body.

Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a stack overflow via the setWanPpoe function. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a stack overflow via the setRemoteWebManage function. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain multiple command injection vulnerabilities in the function setIPsecTunnelList via the IPsecLocalNet and IPsecRemoteNet parameters.

Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a command injection vulnerability via the dmzHost parameter in the setDMZ function.

Directory Traversal on Tenda W15E devices before 15.11.0.14 allows remote attackers to read unencrypted files via a crafted URL.

Heap-based Buffer Overflow on Tenda W15E devices before 15.11.0.14 allows remote attackers to cause a denial of service (temporary HTTP outage and forced logout) via unspecified vectors.

Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the picName parameter in the formDelWewifiPi function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the index parameter in the formDelDnsForward function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the DNSDomainName parameter in the formModifyDnsForward function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda V15V1.0 was discovered to contain a buffer overflow vulnerability via the gotoUrl parameter in the formPortalAuth function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda V15V1.0 V15.11.0.14(1521_3190_1058) was discovered to contain a buffer overflow vulnerability via the wifiFilterListRemark parameter in the modifyWifiFilterRules function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Tenda W15E guestWifiRuleRefresh stack-based overflow

A vulnerability was found in Tenda W15E 15.11.0.14. It has been classified as critical. Affected is the function guestWifiRuleRefresh. The manipulation of the argument qosGuestDownstream leads to stack-based buffer overflow. It is possible to launch the attack remotely. VDB-261870 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Tenda W15E SetSysTimeCfg formSetSysTime stack-based overflow

A vulnerability was found in Tenda W15E 15.11.0.14 and classified as critical. This issue affects the function formSetSysTime of the file /goform/SetSysTimeCfg. The manipulation of the argument manualTime leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-261869 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.