What’s Vulnerable › Vulnerabilities

CVE-2026-3679: Tenda FH451 QuickIndex formQuickIndex stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-07 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability was identified in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex. Such manipulation of the argument mit_linktype/PPPOEPassword leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

Affected products

• Tenda F451: 1.0.0.9

References

• https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_63/README.md
• https://vuldb.com/?ctiid.349581
• https://vuldb.com/?id.349581
• https://vuldb.com/?submit.765331
• https://www.tenda.com.cn/

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