How severe is CVE-2023-36091?

CVE-2023-36091 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-2023-36091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36091?

CVE-2023-36091 affects Dlink Dir-895l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36091?

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-2023-36091 published?

CVE-2023-36091 was published on 2023-07-31 and last updated on 2026-06-17.

CVE-2023-36091

CVE-2023-36091 is a critical-severity vulnerability in Dlink Dir-895l 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-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Dlink Dir-895l Firmware
Published: 2023-07-31
Last modified: 2026-06-17

Description

Authentication Bypass vulnerability in D-Link DIR-895 FW102b07 allows remote attackers to gain escalated privileges via via function phpcgi_main in cgibin. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2023-36091?: Authentication Bypass vulnerability in D-Link DIR-895 FW102b07 allows remote attackers to gain escalated privileges via via function phpcgi_main in cgibin. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2023-36091?: CVE-2023-36091 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-2023-36091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36091?: CVE-2023-36091 affects Dlink Dir-895l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36091?: 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-2023-36091 published?: CVE-2023-36091 was published on 2023-07-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-895l_firmware:1.02:b07:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-895l Firmware

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