CVE-2021-27209: tp-link archer_c5v_firmware
CVSS: 7.1v3.1HighModified
Published 13-02-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-27209 is a high (CVSS 7.1) vulnerability in tp-link archer_c5v_firmware. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 13-02-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
In the management interface on TP-Link Archer C5v 1.7_181221 devices, credentials are sent in a base64 format over cleartext HTTP.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NSourcesSingle source
Low 3.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 21-09-2026
21-09-202621-10-2026
EPSS score0.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gokay.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Tp-link1 product
- archer_c5v_firmware1.7_181221
1 vendor · 1 product