CVE-2026-5613: Stack-based Buffer Overflow in Belkin F9K1015
CVE-2026-5613 is a stack-based buffer overflow vulnerability in the Belkin F9K1015 router firmware version 1. 00. 10. The flaw exists in the formReboot function within the /goform/formReboot endpoint, where improper handling of the 'webpage' argument allows remote attackers to trigger a buffer overflow. Exploitation can be initiated remotely without user interaction and requires low attack complexity. The vendor has not responded to disclosure requests, and no official patch or remediation guidance is currently available. The vulnerability has a high severity score of 8. 7 (CVSS 4. 0) and an exploit is publicly available, though no known exploitation in the wild has been reported to date.
AI Analysis
Technical Summary
This vulnerability affects Belkin F9K1015 firmware version 1.00.10 and involves a stack-based buffer overflow in the formReboot function of the /goform/formReboot file. By manipulating the 'webpage' argument, an attacker can overflow the stack buffer remotely, potentially leading to arbitrary code execution or denial of service. The vulnerability requires no user interaction and has a low attack complexity. The vendor was contacted but did not provide any response or patch information. No official remediation or patch is currently documented.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code or cause a denial of service on the affected device. Given the high CVSS score (8.7) and the nature of a stack-based buffer overflow, the impact is significant for device confidentiality, integrity, and availability. However, there are no confirmed reports of exploitation in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no patch is available, users should consider mitigating exposure by restricting remote access to the affected device's management interface and monitoring for suspicious activity. Avoid exposing the device management interface to untrusted networks until an official fix is released.
CVE-2026-5613: Stack-based Buffer Overflow in Belkin F9K1015
Description
CVE-2026-5613 is a stack-based buffer overflow vulnerability in the Belkin F9K1015 router firmware version 1. 00. 10. The flaw exists in the formReboot function within the /goform/formReboot endpoint, where improper handling of the 'webpage' argument allows remote attackers to trigger a buffer overflow. Exploitation can be initiated remotely without user interaction and requires low attack complexity. The vendor has not responded to disclosure requests, and no official patch or remediation guidance is currently available. The vulnerability has a high severity score of 8. 7 (CVSS 4. 0) and an exploit is publicly available, though no known exploitation in the wild has been reported to date.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Belkin F9K1015 firmware version 1.00.10 and involves a stack-based buffer overflow in the formReboot function of the /goform/formReboot file. By manipulating the 'webpage' argument, an attacker can overflow the stack buffer remotely, potentially leading to arbitrary code execution or denial of service. The vulnerability requires no user interaction and has a low attack complexity. The vendor was contacted but did not provide any response or patch information. No official remediation or patch is currently documented.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code or cause a denial of service on the affected device. Given the high CVSS score (8.7) and the nature of a stack-based buffer overflow, the impact is significant for device confidentiality, integrity, and availability. However, there are no confirmed reports of exploitation in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no patch is available, users should consider mitigating exposure by restricting remote access to the affected device's management interface and monitoring for suspicious activity. Avoid exposing the device management interface to untrusted networks until an official fix is released.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-05T15:29:54.593Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d348ef0a160ebd927fa927
Added to database: 4/6/2026, 5:47:27 AM
Last enriched: 4/13/2026, 3:15:30 PM
Last updated: 5/22/2026, 9:37:18 AM
Views: 121
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