Critical severity9.8NVD Advisory· Published Aug 21, 2023· Updated Jun 17, 2026

CVE-2023-39747

Description

TP-Link WR841N V8, TP-Link TL-WR940N V2, and TL-WR941ND V5 were discovered to contain a buffer overflow via the radiusSecret parameter at /userRpm/WlanSecurityRpm.

Affected products

TP-Link/Tl Wr841n V8 Firmware
cpe:2.3:o:tp-link:tl-wr841n_v8_firmware:-:*:*:*:*:*:*:*
TP-Link/Tl Wr940n V2 Firmware
cpe:2.3:o:tp-link:tl-wr940n_v2_firmware:-:*:*:*:*:*:*:*
TP-Link/Tl Wr941nd V5 Firmware
cpe:2.3:o:tp-link:tl-wr941nd_v5_firmware:-:*:*:*:*:*:*:*
TP-Link/Tl Wr841ncpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: V8
TP-Link/TL-WR941NDllm-fuzzy
Range: V5
TP-Link/TL-WR940N V4llm-fuzzy
Range: V2

Patches

Vulnerability mechanics

References

github.com/a101e-IoTvul/iotvul/blob/main/tp-link/17/TP-Link%20WR841N%20wireless%20router%20WlanSecurityRpm%20Stack%20Overflow%20vulnerability.mdnvdExploitThird Party Advisory

News mentions

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cvss	0.637
epss	0.006
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000