Vulnerability · Published Apr 9, 2026 · Assigned by VulDB

CVE-2026-5844D-Link DIR-882 HNAP1 SetNetworkSettings prog.cgi sprintf os command injection

High 7.2

In plain English

A high-severity OS command injection in DIR-882 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 5.2% (higher than 92% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)5.2%top 7.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in D-Link DIR-882 1.01B02. Impacted is the function sprintf of the file prog.cgi of the component HNAP1 SetNetworkSettings Handler. The manipulation of the argument IPAddress results in os command injection. The attack may be performed from remote. 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 (as reported)

Vendor	Product	Versions
D-Link	DIR-882	1.01B02

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

References

VDB-356329 | D-Link DIR-882 HNAP1 SetNetworkSettings prog.cgi sprintf os command injection vdb-entry, technical-description
VDB-356329 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #790290 | D-Link DIR-882 1.01B02 OS Command Injection third-party-advisory
https://files.catbox.moe/ei31k1.zip exploit
https://www.dlink.com/ product