CVE-2021-31658

8.1 highEPSS 1.0%

High (8.1) in tp-link. EPSS 1.0% chance of exploitation in the next 30 days.

TP-Link TL-SG2005, TL-SG2008, etc. 1.0.0 Build 20180529 Rel.40524 is affected by an Array index error. The interface that provides the "device description" function only judges the length of the received data, and does not filter special characters. This vulnerability will cause the application to crash, and all device configuration information will be erased.

Severity

CVSS 3.1

8.1 high

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-129
Published: 2021-06-10
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

tp-link:tl-sg2005_firmware
tp-link:tl-sg2008_firmware

References

https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-31658
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-31658

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