How severe is CVE-2026-8345?

CVE-2026-8345 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-8345 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8345?

CVE-2026-8345 affects Dlink Dir-816 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-8345?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-8345 have an EU (EUVD) identifier?

Yes. CVE-2026-8345 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29346.

When was CVE-2026-8345 published?

CVE-2026-8345 was published on 2026-05-11 and last updated on 2026-06-17.

CVE-2026-8345

CVE-2026-8345 is a medium-severity vulnerability in Dlink Dir-816 Firmware with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29346
Weakness: CWE-74
Affected product: Dlink Dir-816 Firmware
Published: 2026-05-11
Last modified: 2026-06-17

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.

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.
How severe is CVE-2026-8345?: CVE-2026-8345 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-8345 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8345?: CVE-2026-8345 affects Dlink Dir-816 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-8345?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8345 have an EU (EUVD) identifier?: Yes. CVE-2026-8345 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29346.
When was CVE-2026-8345 published?: CVE-2026-8345 was published on 2026-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-816_firmware:1.10cnb05_r1b011d88210:*:*:*:*:*:*:*

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