Vulnerability · Published Mar 20, 2026 · Assigned by VulDB

CVE-2026-4465D-Link DIR-513 formSysCmd os command injection

Medium 6.3

In plain English

A medium-severity OS command injection in DIR-513 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.6% (higher than 90% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)3.6%top 10.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A flaw has been found in D-Link DIR-513 1.10. The impacted element is an unknown function of the file /goform/formSysCmd. Executing a manipulation of the argument sysCmd can lead to os command injection. The attack may be launched remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DIR-513	1.10

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-351755 | D-Link DIR-513 formSysCmd os command injection vdb-entry, technical-description
VDB-351755 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #772866 | D-Link DIR-513 1.10 RCE third-party-advisory
https://github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formSysCmd.pdf exploit
https://www.dlink.com/ product