How severe is CVE-2023-31814?

CVE-2023-31814 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-2023-31814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31814?

CVE-2023-31814 affects Dlink Dir-300 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31814?

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-2023-31814 published?

CVE-2023-31814 was published on 2023-05-23 and last updated on 2026-06-17.

CVE-2023-31814

CVE-2023-31814 is a critical-severity vulnerability in Dlink Dir-300 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-706.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-706
Affected product: Dlink Dir-300 Firmware
Published: 2023-05-23
Last modified: 2026-06-17

Description

D-Link DIR-300 firmware <=REVA1.06 and <=REVB2.06 is vulnerable to File inclusion via /model/__lang_msg.php.

Frequently asked questions

What is CVE-2023-31814?: D-Link DIR-300 firmware <=REVA1.06 and <=REVB2.06 is vulnerable to File inclusion via /model/__lang_msg.php.
How severe is CVE-2023-31814?: CVE-2023-31814 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-2023-31814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31814?: CVE-2023-31814 affects Dlink Dir-300 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31814?: 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-2023-31814 published?: CVE-2023-31814 was published on 2023-05-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-300_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-300 Firmware

CVE-2013-10069 — Critical (CVSS 9.8): The web interface of multiple D-Link routers, including DIR-600 rev B (≤2.14b01) and DIR-300 rev B (≤2.13),…
CVE-2013-10048 — Critical (CVSS 9.8): An OS command injection vulnerability exists in various legacy D-Link routers—including DIR-300 rev B and DIR-600…
CVE-2024-41616 — Critical (CVSS 9.8): D-Link DIR-300 REVA FIRMWARE v1.06B05_WW contains hardcoded credentials in the Telnet service.
CVE-2013-7471 — Critical (CVSS 9.8): An issue was discovered in soap.cgi?service=WANIPConn1 on D-Link DIR-845 before v1.02b03, DIR-600 before v2.17b01,…
CVE-2013-10050 — High (CVSS 8.8): An OS command injection vulnerability exists in multiple D-Link routers (confirmed on DIR-300 rev A v1.05 and DIR-615…
CVE-2011-4723 — Medium (CVSS 5.7): The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive…

All CVEs affecting Dlink Dir-300 Firmware →

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