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CVE-2025-9088

Tenda AC20 formSetVirtualSer save_virtualser_data stack-based overflow

CVSS 8.7 HIGHEPSS 0.8%CWE-119CWE-121
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.7EPSS 0.8%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
16 Aug 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A vulnerability was found in Tenda AC20 16.03.08.12. This vulnerability affects the function save_virtualser_data of the file /goform/formSetVirtualSer. The manipulation of the argument list leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · AC20

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References
https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSerhttps://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer#poc-python-exploit-scripthttps://vuldb.com/?ctiid.320356https://vuldb.com/?id.320356https://vuldb.com/?submit.632038https://www.tenda.com.cn/