PT-2023-3886 · Tenda · Tenda F1203

Published 2023-07-10 · Updated 2023-07-13 · CVE-2023-37703

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 FH1203 version 2.0.1.6

Description The issue is related to a stack overflow in the formSetSpeedWan function of the Tenda FH1203 router's firmware, which can be exploited by a remote attacker to cause a denial of service. The vulnerability is specifically tied to the speed dir parameter.

Recommendations For Tenda FH1203 version 2.0.1.6, consider disabling the formSetSpeedWan function until a patch is available to prevent potential exploitation. Restrict access to the speed dir parameter in the affected function to minimize the risk of a stack overflow. 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:2023-04178

CVE-2023-37703

Affected Products

Tenda F1203

References · 8

• 🔥 https://github.com/FirmRec/IoT-Vulns/tree/main/tenda/6907 · Exploit
• https://osv.dev/vulnerability/CVE-2023-37703 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/696901/?sphrase_id=45557 · Security Note
• https://bdu.fstec.ru/vul/2023-04178 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-37703 · Security Note
• https://t.me/cvenotify/53981 · Telegram Post
• https://t.me/cibsecurity/66282 · Telegram Post
• https://t.me/cvenotify/54304 · Telegram Post