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Home / Vulnerability Intelligence / CVE-2026-4167

CVE-2026-4167 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 16, 2026

Belkin F9K1122 - Buffer Overflow

Published: March 16, 2026Updated: March 16, 2026Remote Exploitable

Overview

Belkin F9K1122 1.00.33 contains a stack-based buffer overflow caused by manipulation of the "webpage" argument in /goform/formReboot, letting remote attackers execute arbitrary code, exploit requires no special privileges.

Severity & Score

Severity: High
CVSS Score: 8.8
EPSS Score: 4.3%(Probability of exploitation in next 30 days)

Impact

Remote attackers can execute arbitrary code, potentially leading to full system compromise.

Mitigation

Update to the latest version or apply vendor patches if available.

References

Social Media Activity(4 posts)

Offensive Sequence
Offensive Sequence
@offseq
Mar 15, 2026

⚠️ HIGH-severity: CVE-2026-4167 stack overflow in Belkin F9K1122 v1.00.33. Remote attackers can exploit /goform/formReboot — no patch, public exploit out. Restrict access, monitor for attack attempts. https://radar.offseq.com/threat/cve-2026-4167-stack-based-buffer-overflow-in-belki-ac4818a6 #OffSeq #CVE20264167 #IoTSecurity

View original post
Offensive Sequence
Offensive Sequence
@offseq
Mar 15, 2026

🚨 HIGH severity: CVE-2026-4167 in Belkin F9K1122 (1.00.33) enables remote code execution via stack buffer overflow — no auth needed, no patch. Isolate, restrict, and monitor now! https://radar.offseq.com/threat/cve-2026-4167-stack-based-buffer-overflow-in-belki-ac4818a6 #OffSeq #infosec #routersecurity #CVE20264167

View original post
Offensive Sequence
Offensive Sequence
@offseq
Mar 15, 2026

⚠️ HIGH-severity: CVE-2026-4167 stack overflow in Belkin F9K1122 v1.00.33. Remote attackers can exploit /goform/formReboot — no patch, public exploit out. Restrict access, monitor for attack attempts. https://radar.offseq.com/threat/cve-2026-4167-stack-based-buffer-overflow-in-belki-ac4818a6 #OffSeq #CVE20264167 #IoTSecurity

View original post
Offensive Sequence
Offensive Sequence
@offseq
Mar 15, 2026

🚨 HIGH severity: CVE-2026-4167 in Belkin F9K1122 (1.00.33) enables remote code execution via stack buffer overflow — no auth needed, no patch. Isolate, restrict, and monitor now! https://radar.offseq.com/threat/cve-2026-4167-stack-based-buffer-overflow-in-belki-ac4818a6 #OffSeq #infosec #routersecurity #CVE20264167

View original post

Related Resources

Details

CVE ID
CVE-2026-4167
Severity
High
CVSS Score
8.8
Type
buffer_overflow
Status
unconfirmed
EPSS
4.3%
Social Posts
4

CWE

  • CWE-119

CVSS Metrics

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

EPSS Score

4.3%Probability of exploitation in the next 30 days