CVE-2021-27210
TP-Link Archer C5v 1.7_181221 devices allows remote attackers to retrieve cleartext credentials...
TP-Link Archer C5v 1.7_181221 devices allows remote attackers to retrieve cleartext credentials via [USER_CFG#0,0,0,0,0,0#0,0,0,0,0,0]0,0 to the /cgi?1&5 URI.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
TP-Link Archer C5v 1.7_181221 devices allows remote attackers to retrieve cleartext credentials via [USER_CFG#0,0,0,0,0,0#0,0,0,0,0,0]0,0 to the /cgi?1&5 URI.
- Record
CVE-2021-27210- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-312
- Updated
- 2026-11-02
CVE ListNo score
TP-Link Archer C5v 1.7_181221 devices allows remote attackers to retrieve cleartext credentials via [USER_CFG#0,0,0,0,0,0#0,0,0,0,0,0]0,0 to the /cgi?1&5 URI.
- Record
CVE-2021-27210- Updated
- 2026-11-02
EUVDEUVD-2021-13975No score
TP-Link Archer C5v 1.7_181221 devices allows remote attackers to retrieve cleartext credentials via [USER_CFG#0,0,0,0,0,0#0,0,0,0,0,0]0,0 to the /cgi?1&5 URI.
- Record
EUVD-2021-13975- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mgxh-x4jj-4grvNo score
TP-Link Archer C5v 1.7_181221 devices allows remote attackers to retrieve cleartext credentials...
TP-Link Archer C5v 1.7_181221 devices allows remote attackers to retrieve cleartext credentials via [USER_CFG#0,0,0,0,0,0#0,0,0,0,0,0]0,0 to the /cgi?1&5 URI.
- Record
GHSA-mgxh-x4jj-4grv- Weakness
- CWE-312
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27210 is a medium vulnerability (CVSS 6.5) in Tp-link Archer C5v Firmware, published February 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.