CVE-2026-124560

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.

• CWE-119
• CWE-122

• https://github.com/Zimo-666/DIR-878-cves/tree/main/01-captcha-uid-heap-overflow
• https://vuldb.com/cve/CVE-2026-124560
• https://vuldb.com/submit/1035616
• https://vuldb.com/vuln/432892
• https://vuldb.com/vuln/432892/cti
• https://www.dlink.com/

Published

Nov 9, 2026

Last Modified

Nov 12, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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