Skip to content
Fencer Vulns
critical 9.8

CVE-2022-25434 json

Tenda AC9 v15.03.2.21 was discovered to contain a stack overflow via the firewallen parameter in the SetFirewallCfg function.

published 2022-03-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-30104

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.1%
EPSS 9.1% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

Tenda AC9 v15.03.2.21 was discovered to contain a stack overflow via the firewallen parameter in the SetFirewallCfg function.

Exploit prediction

9.13% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/EPhaha/IOT_vuln/tree/main/Tenda/AC9/6 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.