How severe is CVE-2022-36756?

CVE-2022-36756 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-36756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36756?

CVE-2022-36756 affects Dlink Dir-845l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36756?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-36756 published?

CVE-2022-36756 was published on 2022-08-28 and last updated on 2026-06-17.

CVE-2022-36756

CVE-2022-36756 is a critical-severity vulnerability in Dlink Dir-845l Firmware with a CVSS 3.x base score of 9.8. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Dlink Dir-845l Firmware
Published: 2022-08-28
Last modified: 2026-06-17

Description

DIR845L A1 v1.00-v1.03 is vulnerable to command injection via /htdocs/upnpinc/gena.php.

Frequently asked questions

What is CVE-2022-36756?: DIR845L A1 v1.00-v1.03 is vulnerable to command injection via /htdocs/upnpinc/gena.php.
How severe is CVE-2022-36756?: CVE-2022-36756 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-36756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36756?: CVE-2022-36756 affects Dlink Dir-845l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-36756 published?: CVE-2022-36756 was published on 2022-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-845l_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-845l Firmware

CVE-2022-38557 — Critical (CVSS 9.8): D-Link DIR845L v1.00-v1.03 contains a Static Default Credential vulnerability in /etc/init0.d/S80telnetd.sh.
CVE-2022-36755 — Critical (CVSS 9.8): D-Link DIR845L A1 contains a authentication vulnerability via an AUTHORIZED_GROUP=1 value, as demonstrated by a request…
CVE-2024-33110 — Critical (CVSS 9.1): D-Link DIR-845L router v1.01KRb03 and before is vulnerable to Permission Bypass via the getcfg.php component.
CVE-2024-29385 — Critical (CVSS 9.0): DIR-845L router <= v1.01KRb03 has an Unauthenticated remote code execution vulnerability in the cgibin binary via…
CVE-2024-29366 — High (CVSS 8.8): A command injection vulnerability exists in the cgibin binary in DIR-845L router firmware <= v1.01KRb03.
CVE-2024-33112 — High (CVSS 7.5): D-Link DIR-845L router v1.01KRb03 and before is vulnerable to Command injection via the hnap_main()func.

All CVEs affecting Dlink Dir-845l Firmware →

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