CVE-2021-4144: tp-link tl-wr802n_firmware OS Command Injection
CVSS: 8.8v3.1HighModified
Published 23-12-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-4144 is a high (CVSS 8.8) OS Command Injection vulnerability in tp-link tl-wr802n_firmware. EPSS estimates a 1.95% chance of exploitation in the next 30 days, higher than 80% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
1.95%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-12-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
TP-Link wifi router TL-WR802N V4(JP), with firmware version prior to 211202, is vulnerable to OS command injection.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.95%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.95% on 21-09-2026
21-09-202621-10-2026
EPSS score1.95%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Tp-link2 products
- tl-wr802n_firmware< 211202
- tl-wr802n v4(jp)firmware versions prior to 211202
1 vendor · 2 products