CVE-2021-44632

moderate-risk
Published 2022-03-10

A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/upgrade_info feature, which allows malicious users to execute arbitrary code on the system via a crafted post request.

Do I need to act?

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0.98% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Tp-Link

References (2)

Exploit https://github.com/Yu3H0/IoT_CVE/tree/main/886N/upgradeInfoRegister
Exploit https://github.com/Yu3H0/IoT_CVE/tree/main/886N/upgradeInfoRegister
40
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal