CVE-2023-33538
high · 8.8Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Added 2025-06-16Remediation due 2025-07-07
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 .
8.8
CVSS
41.9%
EPSS (exploit prob.)
99th
EPSS percentile
2023-06-07
Published
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-77
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| tp-link | tl-wr940n_firmware | all versions |
| tp-link | tl-wr940n | 2.0 |
| tp-link | tl-wr940n | 4.0 |
| tp-link | tl-wr841n_firmware | all versions |
| tp-link | tl-wr841n | 8.0 |
| tp-link | tl-wr841n | 10.0 |
| tp-link | tl-wr740n_firmware | all versions |
| tp-link | tl-wr740n | 1.0 |
| tp-link | tl-wr740n | 2.0 |
Check a specific version with /api/v1/cve/match.
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/
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2023-33538