VDB-362557 · Submit #809888 · CVE-2026-8260

D-Link DCS-935L up to 1.10.01 HNAP Service hnap_service SetDeviceSettings AdminPassword buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in D-Link DCS-935L up to 1.10.01. This affects the function SetDeviceSettings of the file /web/cgi-bin/hnap/hnap_service of the component HNAP Service. This manipulation of the argument AdminPassword causes buffer overflow. This vulnerability is tracked as CVE-2026-8260. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical was found in D-Link DCS-935L up to 1.10.01. Affected by this vulnerability is the function SetDeviceSettings of the file /web/cgi-bin/hnap/hnap_service of the component HNAP Service. The manipulation of the argument AdminPassword with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-8260. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/11/2026).

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-29016). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

D-Link

Name

DCS-935L

Version

1.10.01

License

commercial

Website

Vendor: https://www.dlink.com/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/10/2026 Advisory disclosed
05/10/2026 +0 days VulDB entry created
05/11/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-8260 (🔒)
GCVE (CVE): GCVE-0-2026-8260
GCVE (VulDB): GCVE-100-362557
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/10/2026 17:21
Updated: 05/11/2026 09:43
Changes: 05/10/2026 17:21 (57), 05/11/2026 09:43 (1)
Complete: 🔍
Submitter: 0xcc12138
Cache ID: 216::103

Submitinfo

Accepted

Submit #809888: D-Link DCS-935L ≤1.10.01 Buffer Overflow (by 0xcc12138)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.