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Vulnerability record · CVE-2023-31710 · published 1 August 2023

CVE-2023-31710: Tp-link archer ax21 firmware out-of-bounds write vulnerability

Tp Link · Archer Ax21 Firmware

TP-Link Archer AX21(US)_V3_1.1.4 Build 20230219 and AX21(US)_V3.6_1.1.4 Build 20230219 are vulnerable to Buffer Overflow.

9.8 CVSS 3.1 Critical EPSS 0.70% · top 48.8% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
0.70%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

TP-Link Archer AX21(US)_V3_1.1.4 Build 20230219 and AX21(US)_V3.6_1.1.4 Build 20230219 are vulnerable to Buffer Overflow.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/xiaobye-ctf/My-CVE/tree/main/TP-Link/CVE-2023-31710 Third Party Advisory
https://github.com/xiaobye-ctf/My-CVE/tree/main/TP-Link/CVE-2023-31710 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-31710), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.