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CVE-2026-5021

Tenda F453 httpd PPTPUserSetting fromPPTPUserSetting stack-based overflow

CVSS 8.7 HIGHEPSS 0.6%CWE-119CWE-121
A flaw has been found in Tenda F453 1.0.0.3. This affects the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. This manipulation of the argument delno causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published 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 · F453
public PoCs found — 1
cve_referencegithub.com/Litengzheng/vul_db/blob/main/F453/vul_92/README.mdunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/Litengzheng/vul_db/blob/main/F453/vul_92/README.mdhttps://vuldb.com/submit/778415https://vuldb.com/vuln/353906https://vuldb.com/vuln/353906/ctihttps://www.tenda.com.cn/