Cyber Resilience

CVE-2021-31658

HighPublic PoC

Published: 10 June 2021

Published
10 June 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
EPSS Score 0.0029 52.9th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-31658 is a high-severity Improper Validation of Array Index (CWE-129) vulnerability in Tp-Link Tl-Sg2005 Firmware. Its CVSS base score is 8.1 (High).

Operationally, ranked in the top 47.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

cause the application to crash, and all device configuration information will be erased.

CWE(s)
CWE-129

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

tp-link
tl-sg2005 firmware
1.0.0
tp-link
tl-sg2008 firmware
1.0.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References