PT-2022-3389 · Tenda · Tenda Ac Series Router

Cylin + 2 · Published 2022-03-18 · Updated 2022-06-03 · CVE-2022-30476

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda AC Series Router version AC18 V15.03.05.19(6318)

Description The issue is related to a stack-based buffer overflow in the httpd module of the Tenda AC Series Router when handling the /goform/SetFirewallCfg request. This can potentially allow an attacker to impact the confidentiality, integrity, and availability of protected information.

Recommendations For version AC18 V15.03.05.19(6318), as a temporary workaround, consider restricting access to the /goform/SetFirewallCfg request in the httpd module until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2022-04161

CVE-2022-30476

Affected Products

Tenda Ac Series Router

References · 5

• 🔥 https://github.com/lcyfrank/VulnRepo/tree/master/IoT/Tenda/6 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-30476 · Security Note
• https://bdu.fstec.ru/vul/2022-04161 · Security Note
• https://osv.dev/vulnerability/CVE-2022-30476 · Vendor Advisory
• https://t.me/cibsecurity/43419 · Telegram Post