What is CVE-2021-44827?

CVE-2021-44827 is a high-severity vulnerability in Tp-link Archer_c20i, classified under OS Command Injection. CVSS score: 8.8/10. Published 2022-03-04.

How severe is CVE-2021-44827?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-44827 known to be exploited?

10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Tp-link Archer_c20i

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…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.540 (98.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-44827?: CVE-2021-44827 is a high-severity vulnerability in Tp-link Archer_c20i, classified under OS Command Injection. CVSS score: 8.8/10. Published 2022-03-04.
How severe is CVE-2021-44827?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-44827 known to be exploited?: 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.