RCE in D-Link Dir-823x
CVE-2026-1544
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.038 (89.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.038 · change: +0.004
Affected products
- D-Link Dir-823x — versions 250416
- Dlink Dir-823x
- Dlink Dir-823x Firmware — versions 250416
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/master-abc/cve/issues/16 (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)
- www.dlink.com/ (Product, product)
Frequently asked questions
- What is CVE-2026-1544?
- CVE-2026-1544 is a medium-severity vulnerability in D-Link Dir-823x, classified under Command Injection. CVSS score: 6.3/10. Published 2026-01-28.
- How severe is CVE-2026-1544?
- Medium severity. CVSS v3 base score is 6.3 out of 10.