How severe is CVE-2023-31756?

CVE-2023-31756 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-31756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31756?

CVE-2023-31756 affects Tp-link Archer Vr1600v Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31756?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-31756 published?

CVE-2023-31756 was published on 2023-05-19 and last updated on 2026-06-17.

CVE-2023-31756

CVE-2023-31756 is a medium-severity vulnerability in Tp-link Archer Vr1600v Firmware with a CVSS 3.x base score of 6.7. 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-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Tp-link Archer Vr1600v Firmware
Published: 2023-05-19
Last modified: 2026-06-17

Description

A command injection vulnerability exists in the administrative web portal in TP-Link Archer VR1600V devices running firmware Versions <= 0.1.0. 0.9.1 v5006.0 Build 220518 Rel.32480n which allows remote attackers, authenticated to the administrative web portal as an administrator user to open an operating system level shell via the 'X_TP_IfName' parameter.

Frequently asked questions

What is CVE-2023-31756?: A command injection vulnerability exists in the administrative web portal in TP-Link Archer VR1600V devices running firmware Versions <= 0.1.0. 0.9.1 v5006.0 Build 220518 Rel.32480n which allows remote attackers, authenticated to the administrative web portal as an administrator user to open an operating system level shell via the 'X_TP_IfName' parameter.
How severe is CVE-2023-31756?: CVE-2023-31756 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-31756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31756?: CVE-2023-31756 affects Tp-link Archer Vr1600v Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-31756 published?: CVE-2023-31756 was published on 2023-05-19 and last updated on 2026-06-17.

References

https://stanleyjobsonau.github.io/tp-link-advisory.html

Affected products (1)

cpe:2.3:o:tp-link:archer_vr1600v_firmware:*:*:*:*:*:*:*:*

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