CVE-2022-25434

Name: CVE-2022-25434
Creator: NVD / NIST
Published: 2022-03-18T21:15:08.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 9.13%

Last modified Jun 17, 2026

CVE-2022-25434 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Tenda AC9 v15.03.2.21 was discovered to contain a stack overflow via the firewallen parameter in the SetFirewallCfg function.. EPSS estimates a 9.13% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

9.13%

94.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Tenda	Ac9 Firmware	15.03.2.21

References

https://github.com/EPhaha/IOT_vuln/tree/main/Tenda/AC9/6Exploit, Third Party Advisory
https://github.com/EPhaha/IOT_vuln/tree/main/Tenda/AC9/6Exploit, Third Party Advisory

Timeline

Published: Mar 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-25434?

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

How severe is CVE-2022-25434?

CVE-2022-25434 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 9.13% probability of exploitation in the next 30 days.

How do I fix CVE-2022-25434?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-25434?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST