CVE-2026-8345

Description

A security vulnerability has been detected in D-Link DIR-816 1.10CNB05_R1B011D88210. Affected by this issue is the function sub_445E7C of the file /goform/singlePortForward. Such manipulation of the argument ip_address leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.

CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0009

Probability of exploitation

0.25%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-74 CWE-74

CWE-77 CWE-77

Affected Products

Vendor	Product	Versions
dlink	dir-816_firmware	All
dlink	dir-816	All

References

Exploits

https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/2.md

Other References

https://vuldb.com/submit/811379 https://vuldb.com/vuln/362661 https://vuldb.com/vuln/362661/cti https://www.dlink.com/

Frequently Asked Questions

What is CVE-2026-8345? +

A security vulnerability has been detected in D-Link DIR-816 1.10CNB05_R1B011D88210. Affected by this issue is the function sub_445E7C of the file /goform/singlePortForward. Such manipulation of the argument ip_address leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-8345? +

CVE-2026-8345 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0009, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-8345? +

CVE-2026-8345 affects products from dlink, specifically: dir-816, dir-816_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-8345? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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