How severe is CVE-2023-25279?

CVE-2023-25279 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-2023-25279 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-25279?

CVE-2023-25279 affects Dlink Dir-820l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-25279?

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-2023-25279 published?

CVE-2023-25279 was published on 2023-03-13 and last updated on 2026-06-17.

CVE-2023-25279

CVE-2023-25279 is a critical-severity vulnerability in Dlink Dir-820l Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 31% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 31% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Dlink Dir-820l Firmware
Published: 2023-03-13
Last modified: 2026-06-17

Description

OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a crafted payload.

Frequently asked questions

What is CVE-2023-25279?: OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a crafted payload.
How severe is CVE-2023-25279?: CVE-2023-25279 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-2023-25279 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-25279?: CVE-2023-25279 affects Dlink Dir-820l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-25279?: 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-2023-25279 published?: CVE-2023-25279 was published on 2023-03-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-820l_firmware:1.05b03:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-820l Firmware

CVE-2024-48150 — Critical (CVSS 9.8): D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the sub_451208 function.
CVE-2023-44809 — Critical (CVSS 9.8): D-Link device DIR-820L 1.05B03 is vulnerable to Insecure Permissions.
CVE-2023-44808 — Critical (CVSS 9.8): D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the sub_4507CC function.
CVE-2023-44807 — Critical (CVSS 9.8): D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the cancelPing function.
CVE-2023-25280 — Critical (CVSS 9.8): OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a…
CVE-2022-26258 — Critical (CVSS 9.8): D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get set…

All CVEs affecting Dlink Dir-820l Firmware →

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