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Vulnerability record · CVE-2026-9431 · published 25 May 2026

CVE-2026-9431: Memory buffer overflow vulnerability

A vulnerability was identified in Tenda F1202 1.2.0.20(408). This affects the function fromPptpUserAdd of the file /goform/PptpUserAdd. The manipulation of the argument opttype leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

7.4 CVSS 4.0 High EPSS 0.79% · top 45.4% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow Deferred
7.4CVSS 4.0 base score, v2 9.0
0.79%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
23 Jul 2026Last modified by NVD

Description

A vulnerability was identified in Tenda F1202 1.2.0.20(408). This affects the function fromPptpUserAdd of the file /goform/PptpUserAdd. The manipulation of the argument opttype leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/Litengzheng/vuldb_new2/blob/main/F1202/vul_35/README.md
https://vuldb.com/submit/813916
https://vuldb.com/vuln/365412
https://vuldb.com/vuln/365412/cti
https://www.tenda.com.cn/

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Source: NIST National Vulnerability Database (record CVE-2026-9431), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.