What’s Vulnerable › Vulnerabilities

CVE-2025-10803: Tenda AC23 HTTP POST Request SetPptpServerCfg sscanf buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-09-22 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability has been found in Tenda AC23 up to 16.03.07.52. Affected by this vulnerability is the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda AC23: through 16.03.07.52

References

• https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC23-3/Tenda%20AC23%20Buffer%20overflow.md
• https://vuldb.com/?ctiid.325161
• https://vuldb.com/?id.325161
• https://vuldb.com/?submit.654237
• https://www.tenda.com.cn/

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