What’s Vulnerable › Vulnerabilities

CVE-2021-27210

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-13 · updated 2026-06-17
• Weakness: CWE-312

Description

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.

Affected products

• TP-Link Archer C5V Firmware: 1.7_181221

References

• https://gokay.org/tp-links-archer-c5v-improper-authorization/
• https://gokay.org/tp-links-archer-c5v-improper-authorization/

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