High severity7.5NVD Advisory· Published Aug 21, 2023· Updated Jun 17, 2026

CVE-2023-39745

Description

TP-Link TL-WR940N V2, TP-Link TL-WR941ND V5 and TP-Link TL-WR841N V8 were discovered to contain a buffer overflow via the component /userRpm/AccessCtrlAccessRulesRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Affected products

TP-Link/TL-WR940N V4cpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: V2
TP-Link/TL-WR941NDllm-fuzzy
Range: V5
TP-Link/Tl Wr841nllm-fuzzy
Range: V8

Patches

Vulnerability mechanics

References

github.com/a101e-IoTvul/iotvul/blob/main/tp-link/16/TP-Link%20WR940N%20WR941ND%20WR841N%20wireless%20router%20userRpmAccessCtrlAccessRulesRpm%20buffer%20read%20out-of-bounds%20vulnerability.mdnvdExploitThird Party Advisory

News mentions

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