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No exploitation reported

CVE-2021-44629

No exploitation reported by the sources we read.

  • Published2022-03-10
  • WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2022-03-1017:44CVE publishedNVD

Versions per branch

NVD
Tp-link tl-wr886n firmwareversion to verify
BranchAffectedFixed in
20190826.x= 20190826_2.3.8no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-03-10
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-fmqm-r6m9-qqjq

Frequently asked questions

What is CVE-2021-44629?

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

Is CVE-2021-44629 actively exploited?

Active exploitation of CVE-2021-44629 has not been confirmed. Its EPSS score was 2.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-44629?

CVE-2021-44629 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record