CVE-2026-5608

Name: CVE-2026-5608
Creator: NVD / NIST
Published: 2026-04-06T01:16:40.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2026-5608 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability was detected in Belkin F9K1122 1.00.33. Affected is the function formWlanSetup of the file /goform/formWlanSetup. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

A vulnerability was detected in Belkin F9K1122 1.00.33. Affected is the function formWlanSetup of the file /goform/formWlanSetup. The manipulation of the argument webpage results in stack-based buffer overflow. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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

0.73%

49.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Belkin	F9k1122 Firmware	1.00.33

References

https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_80/README.mdExploit, Third Party Advisory
https://vuldb.com/submit/785315Third Party Advisory, VDB Entry
https://vuldb.com/vuln/355399Third Party Advisory, VDB Entry
https://vuldb.com/vuln/355399/ctiPermissions Required, VDB Entry

Timeline

Published: Apr 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-5608?

How severe is CVE-2026-5608?

CVE-2026-5608 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2026-5608?

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-2026-5608?

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

Scan your code now

Source: NVD / NIST