Vulnerability · Published Sep 22, 2025 · Assigned by VulDB

CVE-2025-10779D-Link DCS-935L HNAP1 sub_402280 stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in DCS-935L from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.9%top 40.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in D-Link DCS-935L up to 1.13.01. The impacted element is the function sub_402280 of the file /HNAP1/. The manipulation of the argument HNAP_AUTH/SOAPAction results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DCS-935L	1.13.01

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-325135 | D-Link DCS-935L HNAP1 sub_402280 stack-based overflow vdb-entry, technical-description
VDB-325135 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #653690 | D-Link DCS-935L DCS-935L_A1_FW_1.13.01 Stack-based Buffer Overflow third-party-advisory
Submit #653691 | D-Link DCS-935L DCS-935L_A1_FW_1.13.01 Stack-based Buffer Overflow (Duplicate) third-party-advisory
https://github.com/scanleale/IOT_sec/blob/main/DCS-935L-1.pdf related
https://github.com/scanleale/IOT_sec/blob/main/DCS-935L-2.pdf exploit
https://www.dlink.com/ product