CVE-2026-5604

Name: CVE-2026-5604
Creator: NVD / NIST
Published: 2026-04-05T23:16:20.593+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2026-5604 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A security flaw has been discovered in Tenda CH22 1.0.0.1. The impacted element is the function formCertLocalPrecreate of the file /goform/CertLocalPrecreate of the component Parameter Handler. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

A security flaw has been discovered in Tenda CH22 1.0.0.1. The impacted element is the function formCertLocalPrecreate of the file /goform/CertLocalPrecreate of the component Parameter Handler. Performing a manipulation of the argument standard results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

7.4/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.67%

47.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tenda	Ch22 Firmware	1.0.0.1

References

https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_52/README.mdExploit, Third Party Advisory
https://vuldb.com/submit/785032Third Party Advisory
https://vuldb.com/vuln/355396Third Party Advisory
https://vuldb.com/vuln/355396/ctiPermissions Required
https://www.tenda.com.cn/Product

Timeline

Published: Apr 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-5604?

How severe is CVE-2026-5604?

CVE-2026-5604 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2026-5604?

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-2026-5604?

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

Scan your code now

Source: NVD / NIST