Vulnerability · Published Jan 28, 2026 · Assigned by VulDB

CVE-2026-1544D-Link DIR-823X set_mode sub_41E2A0 os command injection

Medium 6.3

In plain English

A medium-severity OS command injection in DIR-823X from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.8% (higher than 90% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)3.8%top 9.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security flaw has been discovered in D-Link DIR-823X 250416. Impacted is the function sub_41E2A0 of the file /goform/set_mode. Performing a manipulation of the argument lan_gateway results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DIR-823X	250416

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-343228 | D-Link DIR-823X set_mode sub_41E2A0 os command injection vdb-entry, technical-description
VDB-343228 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #739155 | D-Link DIR-823X 250416 OS Command Injection third-party-advisory
https://github.com/master-abc/cve/issues/16 exploit, issue-tracking
https://www.dlink.com/ product