PT-2026-28751 · Belkin · Belkin F9K1122

Ltzhuster2 + 1 · Published 2026-03-29 · Updated 2026-03-29 · CVE-2026-5043

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Belkin F9K1122 version 1.00.33

Description A weakness exists in Belkin F9K1122. The issue involves the formSetPassword function within the Parameter Handler component, specifically in the file /goform/formSetPassword. Manipulation of the webpage argument can trigger a stack-based buffer overflow. Remote exploitation is possible, and an exploit has been publicly released. The vendor was notified but did not respond.

Recommendations Disable or restrict access to the /goform/formSetPassword file and the formSetPassword function as a temporary workaround until a patch is available.

Exploit

Fix

Buffer Overflow

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-119

CWE-787

CWE-121

Related Identifiers

CVE-2026-5043

Affected Products

Belkin F9K1122

References · 8

• 🔥 https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_154/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5043 · Security Note
• https://vuldb.com/vuln/353966/cti · Note
• https://twitter.com/CVEnew/status/2038250161634156733 · Twitter Post
• https://twitter.com/TheHackerWire/status/2038229170598400316 · Twitter Post
• https://vuldb.com/vuln/353966 · Note
• https://vuldb.com/submit/779124 · Note
• https://twitter.com/CveFindCom/status/2038220289771733235 · Twitter Post