CVE-2026-4167: Belkin F9K1122 formReboot stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-16 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was determined in Belkin F9K1122 1.00.33. This affects the function formReboot of the file /goform/formReboot. This manipulation of the argument webpage causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Belkin F9K1122: 1.00.33

References

https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_152/README.md
https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_152/README.md#proof-of-concept-poc
https://vuldb.com/?ctiid.351074
https://vuldb.com/?id.351074
https://vuldb.com/?submit.769727

Get alerted when CVE-2026-4167 or the next vulnerability affects your stack