PT-2020-7921 · Totolink · Totolink A850R-V1+1

Alexandre Torres + 2 · Published 2020-11-24 · Updated 2020-12-04 · CVE-2015-9550

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: TOTOLINK A850R-V1 versions 1.0.1-B20150707.1612 and earlier TOTOLINK F1-V2 versions 1.1-B20150708.1646 and earlier

Description: An issue allows the web management interface to be opened on the WAN interface by sending a specific hel,xasf packet.

Recommendations: For TOTOLINK A850R-V1 versions 1.0.1-B20150707.1612 and earlier, restrict access to the WAN interface to prevent exploitation. For TOTOLINK F1-V2 versions 1.1-B20150708.1646 and earlier, consider disabling the web management interface on the WAN interface until a fix is available.

Exploit

Fix

Exposure of Resource to Wrong Sphere

Weakness Enumeration

CWE-668

Related Identifiers

CVE-2015-9550

Affected Products

Totolink A850R-V1

Totolink F1-V2

References · 3

• 🔥 https://pierrekim.github.io/blog/2015-07-16-backdoor-and-RCE-found-in-8-TOTOLINK-products.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2015-9550 · Security Note
• https://t.me/cibsecurity/16824 · Telegram Post