CVE-2021-28858: tp-link tl-wpa4220_firmware
CVSS: 5.5v3.1MediumModified
Published 15-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-28858 is a medium (CVSS 5.5) vulnerability in tp-link tl-wpa4220_firmware. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 15-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the local network can monitor traffic and capture the cookie and other sensitive information.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% on 21-09-2026
21-09-202621-10-2026
EPSS score0.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (yunus-shn.medium.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Tp-link1 product
- tl-wpa4220_firmware4.0.2:build_20180308_rel.37064
1 vendor · 1 product
References
1 links- yunus-shn.medium.com/tp-links-tl-wpa4220-v4-0-cleartext-transmission-of-sensitive-information-40357c778b84X Refsource MISCExploitThird Party Advisory