CVE-2026-8260: Buffer Overflow in D-Link DCS-935L
CVE-2026-8260 is a high-severity buffer overflow vulnerability in the D-Link DCS-935L device firmware version 1. 10. 01. The flaw exists in the SetDeviceSettings function within the HNAP Service component, specifically in the handling of the AdminPassword argument. This vulnerability can be exploited remotely without user interaction or privileges. Although an exploit has been publicly disclosed, there are no confirmed reports of exploitation in the wild. No official patch or remediation guidance has been provided by the vendor at this time.
AI Analysis
Technical Summary
This vulnerability involves a buffer overflow triggered by manipulating the AdminPassword parameter in the SetDeviceSettings function of the HNAP Service on D-Link DCS-935L devices running firmware up to version 1.10.01. The overflow occurs due to improper input handling, allowing remote attackers to potentially execute arbitrary code or cause denial of service. The CVSS 4.0 base score is 8.7, reflecting high severity with network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. No official patch or remediation level has been documented.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code or disrupt device functionality by causing a buffer overflow. This compromises the confidentiality, integrity, and availability of the affected device. The vulnerability affects devices running firmware version 1.10.01 or earlier. There are no confirmed reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the device's management interface to trusted sources only and monitor for unusual activity. Avoid exposing the device management interface directly to untrusted networks.
CVE-2026-8260: Buffer Overflow in D-Link DCS-935L
Description
CVE-2026-8260 is a high-severity buffer overflow vulnerability in the D-Link DCS-935L device firmware version 1. 10. 01. The flaw exists in the SetDeviceSettings function within the HNAP Service component, specifically in the handling of the AdminPassword argument. This vulnerability can be exploited remotely without user interaction or privileges. Although an exploit has been publicly disclosed, there are no confirmed reports of exploitation in the wild. No official patch or remediation guidance has been provided by the vendor at this time.
CVSS v4.0
Score 8.7high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a buffer overflow triggered by manipulating the AdminPassword parameter in the SetDeviceSettings function of the HNAP Service on D-Link DCS-935L devices running firmware up to version 1.10.01. The overflow occurs due to improper input handling, allowing remote attackers to potentially execute arbitrary code or cause denial of service. The CVSS 4.0 base score is 8.7, reflecting high severity with network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. No official patch or remediation level has been documented.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code or disrupt device functionality by causing a buffer overflow. This compromises the confidentiality, integrity, and availability of the affected device. The vulnerability affects devices running firmware version 1.10.01 or earlier. There are no confirmed reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict network access to the device's management interface to trusted sources only and monitor for unusual activity. Avoid exposing the device management interface directly to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-10T15:16:46.711Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a012f49cbff5d86103ef6a9
Added to database: 5/11/2026, 1:22:17 AM
Last enriched: 5/18/2026, 10:11:09 AM
Last updated: 6/6/2026, 3:55:27 PM
Views: 96
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