CVE-2026-124560 D-Link DIR-878 HNAP prog.cgi GetCAPTCHAsetting heap-based overflow
CriticalCVSS 9.3
- Published
- Updated
- Exploit status
- No public exploit known
Description
A vulnerability was found in D-Link DIR-878 1.20B05. This affects the function GetCAPTCHAsetting of the file bin/prog.cgi of the component HNAP Handler. Performing a manipulation of the argument uid results in heap-based buffer overflow. The attack can be initiated 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
| Product | Affected versions | Fixed in |
|---|---|---|
| d-link dir-878 | = 1.20B05 | No fix listed |
References
- VDB-432892 | D-Link DIR-878 HNAP prog.cgi GetCAPTCHAsetting heap-based overflow technical-description vdb-entry
- VDB-432892 | CTI Indicators (IOB, IOC, IOA) permissions-required signature
- CVE-2026-124560 | CVE Analysis and Report third-party-advisory
- Submit #1035616 | D-Link DIR-878 1.20B05 Heap-based Buffer Overflow third-party-advisory
- github.com broken-link exploit
- www.dlink.com product