PT-2023-15148 · Trendnet · Trendnet Wireless Ac Easy-Upgrader Tew-820Ap

Johnawm · Published 2023-01-23 · Updated 2024-08-03 · CVE-2022-47065

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions TrendNet Wireless AC Easy-Upgrader TEW-820AP version 1.0R, firmware version 1.01.B01

Description The issue is related to a stack overflow via the submit-url parameter at the "/formNewSchedule" API endpoint. This allows attackers to execute arbitrary code via a crafted payload. It is noted that this issue only affects products that are no longer supported by the maintainer.

Recommendations For TrendNet Wireless AC Easy-Upgrader TEW-820AP version 1.0R, firmware version 1.01.B01, as a temporary workaround, consider disabling access to the "/formNewSchedule" API endpoint until a patch is available. Avoid using the submit-url parameter in the affected API endpoint 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

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

CVE-2022-47065

Affected Products

Trendnet Wireless Ac Easy-Upgrader Tew-820Ap

References · 5

• 🔥 https://github.com/chunklhit/cve/blob/master/TRENDNet/TEW-820AP/01/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-47065 · Security Note
• https://osv.dev/vulnerability/CVE-2022-47065 · Vendor Advisory
• https://t.me/cvenotify/88793 · Telegram Post
• https://t.me/cibsecurity/56839 · Telegram Post