CVE-2026-3398: high-severity vulnerability in Tenda F453
Tenda F453 httpd AdvSetWan fromAdvSetWan buffer overflow
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.7%
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.
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 · F453Related CVEs — Tenda F453
In the same product, most dangerous first.
CVE-2026-4554MEDIUMTenda F453 WriteFacMac FormWriteFacMac privilege escalationEPSS 3.8%CVE-2026-3399HIGHTenda F453 httpd GstDhcpSetSer fromGstDhcpSetSer buffer overflowEPSS 3.7%CVE-2026-3168HIGHTenda F453 httpd NatStaticSetting fromNatStaticSetting buffer overflowEPSS 3.7%CVE-2026-6989MEDIUMTenda F453 Telnet Service telnet TendaTelnet command injectionEPSS 3.2%CVE-2026-3274HIGHTenda F453 httpd L7Prot frmL7ProtForm buffer overflowEPSS 1.0%CVE-2026-3271HIGHTenda F453 httpd P2pListFilterof fromP2pListFilter buffer overflowEPSS 0.9%