CVE-2021-27209

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

In the management interface on TP-Link Archer C5v 1.7_181221 devices, credentials are sent in a base64 format over cleartext HTTP.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-319

Affected software

No affected versions have been published.

Timeline

Published
Feb 13, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-272106.5TP-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 toCVE-2021-272117.5steghide 0.5.1 relies on a certain 32-bit seed value, which makes it easier for attackers to detect hidden data.CVE-2021-272127.5In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function viCVE-2021-272139.8config.py in pystemon before 2021-02-13 allows code execution via YAML deserialization because SafeLoader and safe_load are not used.CVE-2021-272146.1A Server-side request forgery (SSRF) vulnerability in the ProductConfig servlet in Zoho ManageEngine ADSelfService Plus through 6013 allows CVE-2021-272159.8An issue was discovered in genua genugate before 9.0 Z p19, 9.1.x through 9.6.x before 9.6 p7, and 10.x before 10.1 p4. The Web Interfaces (CVE-2021-272166.3Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By leveraging a delete_pid_file race condition, a local user can delete arbiCVE-2021-272174.4An issue was discovered in the _send_secure_msg() function of Yubico yubihsm-shell through 2.0.3. The function does not correctly validate tCVE-2021-272187.5An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If g_byte_array_new_take() was called with a buffer of 4GB or CVE-2021-272197.5An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit plaCVE-2021-272205.3An issue was discovered in PRTG Network Monitor before 21.1.66.1623. By invoking the screenshot functionality with prepared context paths, aCVE-2021-272218.1MikroTik RouterOS 6.47.9 allows remote authenticated ftp users to create or overwrite arbitrary .rsc files via the /export command. NOTE: th
CVE-2021-27209: High severity, CVSS 7.1 | Vulnix