CVE-2023-39747 is a critical buffer overflow vulnerability (CWE-120) found in specific legacy TP-Link router models, including the WR841N V8, TL-WR940N V2, and TL-WR941ND V5. This flaw, located in the /userRpm/WlanSecurityRpm endpoint via the radiusSecret parameter, allows for unauthenticated remote code execution. With a CVSS score of 9.8 (Critical), it presents a severe risk of complete compromise (confidentiality, integrity, and availability) due to its network-based attack vector and low attack complexity. Despite its high severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:tp-link:tl-wr940n_v2_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:tp-link:tl-wr941nd_v5_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:tp-link:tl-wr841n_v8_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.