CVE-2023-33538 is a critical command injection vulnerability impacting several discontinued TP-Link TL-WR940N, TL-WR841N, and TL-WR740N router models through the /userRpm/WlanNetworkRpm component. With a CVSS score of 8.8 (High), this flaw allows an authenticated attacker to achieve full compromise (confidentiality, integrity, availability) with low attack complexity over the network. This vulnerability is actively exploited in the wild, as confirmed by CISA and media reports, despite no public Metasploit or ExploitDB modules. The high EPSS score and significant community discussion highlight the urgent risk posed by this flaw.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:tp-link:tl-wr940n_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:tp-link:tl-wr841n_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:tp-link:tl-wr740n_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.