CVE-2023-33538 KEV
8.8
HIGH · CVSS 3.1 · EPSS 41.6% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2025-07-07.
Description
TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm .
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 41.61% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-77 |
| On CISA KEV | yes — remediate by 2025-07-07 |
| Public exploit | none known |
| Published | 2023-06-07 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | TP-Link Multiple Routers Command Injection Vulnerability |
|---|---|
| Added | 2025-06-16 |
| Due | 2025-07-07 |
| Vendor / product | TP-Link / Multiple Routers |
| Ransomware use | none reported |
Affected (6)
| Vendor | Product |
|---|---|
| tp-link | tl-wr740n |
| tp-link | tl-wr740n firmware |
| tp-link | tl-wr841n |
| tp-link | tl-wr841n firmware |
| tp-link | tl-wr940n |
| tp-link | tl-wr940n firmware |
References
- https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md
- https://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md
- https://www.secpod.com/blog/cisa-issues-warning-on-active-exploitation-of-tp-link-vulnerability-cve-2023-33538/
- https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md
- https://web.archive.org/web/20230609111043/https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/3/TL-WR940N_TL-WR841N_userRpm_WlanNetworkRpm_Command_Injection.md
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33538
- https://www.tp-link.com/us/support/faq/3562/
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