CVE-2021-27210
MEDIUMCVSS 6.5/10EPSS 0.81%
Last modified
CVE-2021-27210 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.81% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tp-Link | Archer C5v Firmware | 1.7_181221 |
References
- https://gokay.org/tp-links-archer-c5v-improper-authorization/Exploit, Third Party Advisory
- https://gokay.org/tp-links-archer-c5v-improper-authorization/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27210?
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.
How severe is CVE-2021-27210?
CVE-2021-27210 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27210?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-27201Endian Firewall Community (aka EFW) 3.3.2 allows remote auth…8.8
- CVE-2021-27203In Dekart Private Disk 2.15, invalid use of the Type3 user b…5.5
- CVE-2021-27204Telegram before 7.4 (212543) Stable on macOS stores the loca…5.5
- CVE-2021-27205Telegram before 7.4 (212543) Stable on macOS stores the loca…5.5
- CVE-2021-27208When booting a Zync-7000 SOC device from nand flash memory, …6.8
- CVE-2021-27209In the management interface on TP-Link Archer C5v 1.7_181221…7.1
- CVE-2021-27211steghide 0.5.1 relies on a certain 32-bit seed value, which …7.5
- CVE-2021-27212In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an …7.5
- CVE-2021-27213config.py in pystemon before 2021-02-13 allows code executio…9.8
- CVE-2021-27214A Server-side request forgery (SSRF) vulnerability in the Pr…6.1
- CVE-2021-27215An issue was discovered in genua genugate before 9.0 Z p19, …9.8
- CVE-2021-27216Exim 4 before 4.94.2 has Execution with Unnecessary Privileg…6.3
Are you affected by CVE-2021-27210?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST