CVE-2026-3398

moderate-risk
Published 2026-03-01

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.

Do I need to act?

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0.09% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Tenda

References (5)

Exploit https://github.com/Litengzheng/vul_db/blob/main/F453/vul_82/README.md
Permissions Required https://vuldb.com/?ctiid.348293
Third Party Advisory https://vuldb.com/?id.348293
Third Party Advisory https://vuldb.com/?submit.759630
Product https://www.tenda.com.cn/
35
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal