PT-2022-11514 · Fiberhome · Fiberhome Vdsl2 Modem Hg150-Ub

Afaq1337 · Published 2022-05-18 · Updated 2022-05-26 · CVE-2021-41946

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions FiberHome VDSL2 Modem HG150-Ub version V3.0

Description A stored cross-site scripting (XSS) issue exists in the Parental Control --> Access Time Restriction --> Username field. This allows an attacker to inject malicious scripts, which can lead to the inability to delete rules due to the XSS.

Recommendations For FiberHome VDSL2 Modem HG150-Ub version V3.0, as a temporary workaround, consider restricting access to the Parental Control --> Access Time Restriction --> Username field until a patch is available. Avoid using the Username field in the affected area until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-41946

Affected Products

Fiberhome Vdsl2 Modem Hg150-Ub

References · 5

• 🔥 https://github.com/afaq1337/CVE-2021-41946 · Exploit
• http://fiberhome.com · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-41946 · Security Note
• https://osv.dev/vulnerability/CVE-2021-41946 · Vendor Advisory
• https://t.me/cibsecurity/42886 · Telegram Post