CVE-2026-5550
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk41th percentile - higher than 41% of all known CVEs
Summary
A stack-based buffer overflow vulnerability was identified in the fromSysToolChangePwd function of the /bin/httpd file in Tenda AC10 firmware version 16.03.10.10_multi_TDE01. The attack can be initiated remotely and may affect multiple endpoints.
Risk Assessment
Remote exploitation could lead to arbitrary code execution or device crash, compromising network security.
Recommendation
Update the Tenda AC10 firmware to the latest available version if a patch has been released by the vendor.
Other vulnerabilities in Tenda AC10
See all- CVE-2026-16248High
A vulnerability was found in Tenda AC10 version 16.03.10.09_multi_TDE01 in the fromAdvSetLanip function of the /goform/AdvSetLanip file. Manipulation of the GetValue/SetValue arguments leads to a stack-based buffer overflow, which can be exploited remotely.
- CVE-2026-19924Critical
A vulnerability has been detected in the Tenda AC10 router version 16.03.10.09_multi_TDE01. It affects the R7WebsSecurityHandler function in the httpd component, leading to improper authentication. The attack can be initiated remotely, and the exploit has been publicly disclosed.
- CVE-2026-51380Critical
A buffer overflow vulnerability in Tenda AC10 v3 (firmware V03.03.16.09) allows attackers to cause a permanent Denial of Service (DoS) or potentially execute remote code via the /cgi-bin/UploadCfg endpoint.
- CVE-2023-40904Critical
A stack overflow was discovered in Tenda AC10 v4 related to the parameters macFilterType and deviceList at the endpoint /goform/setMacFilterCfg.
- CVE-2023-37144Critical
A command injection vulnerability was discovered in Tenda AC10 v15.03.06.26 via the mac parameter in the function formWriteFacMac.
- CVE-2026-5549Medium
Vulnerability in Tenda AC10 version 16.03.10.10_multi_TDE01, in the file /webroot_ro/pem/privkeySrv.pem of the RSA 2048-bit Private Key Handler component. Manipulation leads to use of a hard-coded cryptographic key. Remote attack possible, exploit publicly available.
- CVE-2026-5548High
A stack-based buffer overflow vulnerability has been found in Tenda AC10 16.03.10.10_multi_TDE01 in the function fromSysToolChangePwd of the file /bin/httpd. Manipulating the argument sys.userpass results in buffer overflow, and the attack can be initiated remotely.
- CVE-2026-5547Medium
In the Tenda AC10 router version 16.03.10.10_multi_TDE01, the function formAddMacfilterRule in file /bin/httpd is vulnerable to OS command injection. The attack can be performed remotely, and multiple endpoints may be affected.
- CVE-2023-34571Medium
A stack overflow was discovered in the Tenda AC10 v4 device related to the shareSpeed parameter at the /goform/WifiGuestSet endpoint.
- CVE-2023-34569Medium
A stack overflow was discovered in the Tenda AC10 v4 device via parameter list at the /goform/SetNetControlList endpoint.
Original NVD description (English source)
A vulnerability was identified in Tenda AC10 16.03.10.10_multi_TDE01. This affects the function fromSysToolChangePwd of the file /bin/httpd. The manipulation leads to stack-based buffer overflow. The attack may be initiated remotely. Multiple endpoints might be affected.

