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01 Record

CVE-2021-44628

A Buffer Overflow vulnerabiltiy exists in TP-LINK WR-886N 20190826 2.3.8 in thee /cloud_config/router_post/login feature, which allows malicious users to execute arbitrary code on the system via a

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A Buffer Overflow vulnerabiltiy exists in TP-LINK WR-886N 20190826 2.3.8 in thee /cloud_config/router_post/login feature, which allows malicious users to execute arbitrary code on the system via a

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.57% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 84.8% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-03-09 21:48Z4 YR AGO
Last updated
2024-08-04 04:25Z2 YR AGO
Reserved
2021-12-06
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
f0a103aa24c2710799a89457a09d525c1d5fab4c6d0ee301220a580941747905

05 Affected products

VendorProductVersionsPlatforms
tp-linktl-wr886nNot specified—
tp-linktl-wr886n_firmwareNot specified—

06 References