CVE-2021-44827

There is remote authenticated OS command injection on TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n devices vie the X_TP_ExternalIPv6Address HTTP parameter, allowing a remote attacker to run arbitrary commands on the router with root privileges.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

53.96% chance of exploitation in the next 30 days, 99th percentile

Published

2022-03-04

Updated

2024-08-04

Proof-of-concept exploits (3)

• https://Full-Disclosure.eu
• https://full-disclosure.eu/reports/2022/CVE-2021-44827-tplink-authenticated-remote-code-e…
• full-disclosure/CVE-2021-448274★ · 2022-03-02

References

• CVE Record
• NVD entry

Related

• CVE-2021-44790
• CVE-2021-44829
• CVE-2021-44733
• CVE-2021-44832
• CVE-2021-44731
• CVE-2021-44835