CVE-2021-42232
9.8
CRITICAL · CVSS 3.1 · EPSS 4.3% (pctl 91)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
TP-Link Archer A7 Archer A7(US)_V5_210519 is affected by a command injection vulnerability in /usr/bin/tddp. The vulnerability is caused by the program taking part of the received data packet as part of the command. This will cause an attacker to execute arbitrary commands on the router.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.26% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2022-08-23 |
| Last modified | 2026-07-09 |
Affected (2)
| Vendor | Product |
|---|---|
| tp-link | archer a7 |
| tp-link | archer a7 firmware |
References
→ the Explorer · watch your stack · NVD