How severe is CVE-2023-31587?

CVE-2023-31587 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-2023-31587 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31587?

CVE-2023-31587 affects Tenda Ac5 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31587?

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-2023-31587 published?

CVE-2023-31587 was published on 2023-05-16 and last updated on 2026-06-17.

CVE-2023-31587

CVE-2023-31587 is a critical-severity vulnerability in Tenda Ac5 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tenda Ac5 Firmware
Published: 2023-05-16
Last modified: 2026-06-17

Description

Tenda AC5 router V15.03.06.28 was discovered to contain a remote code execution (RCE) vulnerability via the Mac parameter at ip/goform/WriteFacMac.

Frequently asked questions

What is CVE-2023-31587?: Tenda AC5 router V15.03.06.28 was discovered to contain a remote code execution (RCE) vulnerability via the Mac parameter at ip/goform/WriteFacMac.
How severe is CVE-2023-31587?: CVE-2023-31587 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-2023-31587 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31587?: CVE-2023-31587 affects Tenda Ac5 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31587?: 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-2023-31587 published?: CVE-2023-31587 was published on 2023-05-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac5_firmware:15.03.06.28:*:*:*:*:*:*:*

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