What’s Vulnerable › Vulnerabilities

CVE-2026-3398: Tenda F453 httpd AdvSetWan fromAdvSetWan buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-01 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/PPPOEPassword can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

Affected products

• Tenda F453: 1.0.0.3

References

• https://github.com/Litengzheng/vul_db/blob/main/F453/vul_82/README.md
• https://vuldb.com/?ctiid.348293
• https://vuldb.com/?id.348293
• https://vuldb.com/?submit.759630
• https://www.tenda.com.cn/

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