PT-2021-13814 · Trendnet · Trendnet Ac2600 Tew-827Dru

Jimi Sebree · Published 2021-12-30 · Updated 2022-07-12 · CVE-2021-20159

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions: Trendnet AC2600 TEW-827DRU version 2.08B01

Description: The system log functionality of the firmware in the affected device allows for command injection as root by supplying a malformed parameter. This issue is related to the system log functionality and can be exploited by providing a specifically crafted input.

Recommendations: For Trendnet AC2600 TEW-827DRU version 2.08B01, consider restricting access to the system log functionality until a patch is available. As a temporary workaround, avoid using the system log functionality with untrusted input to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2021-20159

Affected Products

Trendnet Ac2600 Tew-827Dru

References · 4

• 🔥 https://tenable.com/security/research/tra-2021-54 · Exploit
• https://osv.dev/vulnerability/CVE-2021-20159 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20159 · Security Note
• https://t.me/cvenotify/25106 · Telegram Post