CVE-2026-5043
A weakness has been identified in Belkin F9K1122 1.00.33.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A weakness has been identified in Belkin F9K1122 1.00.33. The impacted element is the function formSetPassword of the file /goform/formSetPassword of the component Parameter Handler. This manipulation of the argument webpage causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
- CVSS 4.0
- 7.4 HIGHCVSS: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/M
- EPSS
- 0.79% probability · 54th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-121, CWE-787
- Affected
- belkin/f9k1122 firmware
- Source
- cna@vuldb.com
References
- https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_154/README.mdExploit, Third Party Advisory
- https://vuldb.com/submit/779124Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/353966Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/353966/ctiPermissions Required, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.