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CVE-2026-5612: Stack-based Buffer Overflow in Belkin F9K1015

0
High
VulnerabilityCVE-2026-5612cvecve-2026-5612
Published: Mon Apr 06 2026 (04/06/2026, 02:15:09 UTC)
Source: CVE Database V5
Vendor/Project: Belkin
Product: F9K1015

Description

CVE-2026-5612 is a stack-based buffer overflow vulnerability in the Belkin F9K1015 router firmware version 1. 00. 10. It affects the formWlEncrypt function in the /goform/formWlEncrypt endpoint, where manipulation of the 'webpage' argument can trigger the overflow. The vulnerability can be exploited remotely without user interaction and has a high severity score of 8. 7. The vendor has not responded to the disclosure, and no official patch or remediation is currently available. Public exploit details have been disclosed, but no known exploits in the wild have been confirmed.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/13/2026, 15:13:57 UTC

Technical Analysis

This vulnerability in Belkin F9K1015 firmware 1.00.10 involves a stack-based buffer overflow in the formWlEncrypt function accessed via /goform/formWlEncrypt. An attacker can remotely manipulate the 'webpage' argument to overflow the stack, potentially leading to arbitrary code execution or denial of service. The vulnerability has a CVSS 4.0 base score of 8.7, indicating high impact with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The vendor has not provided any response or patch, and the vulnerability is publicly disclosed.

Potential Impact

Successful exploitation could allow a remote attacker to cause a stack-based buffer overflow, potentially resulting in arbitrary code execution or device crash. Given the network attack vector and no required privileges or user interaction, this poses a significant risk to affected devices running the specified firmware version.

Mitigation Recommendations

No official patch or remediation is currently available from the vendor. Users should monitor vendor communications for updates. Until a fix is released, affected devices should be isolated from untrusted networks or replaced with unaffected hardware to mitigate risk. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-04-05T15:29:51.352Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 69d348ef0a160ebd927fa91e

Added to database: 4/6/2026, 5:47:27 AM

Last enriched: 4/13/2026, 3:13:57 PM

Last updated: 5/21/2026, 9:20:03 PM

Views: 429

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