CVE-2021-41946
MEDIUMCVSS 5.4/10EPSS 2.42%
Last modified
CVE-2021-41946 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. In FiberHome VDSL2 Modem HG150-Ub_V3.0, a stored cross-site scripting (XSS) vulnerability in Parental Control --> Access Time Restriction --> Username field, a user cannot delete the rule due to the XSS.. EPSS estimates a 2.42% chance of exploitation in the next 30 days.
Description
In FiberHome VDSL2 Modem HG150-Ub_V3.0, a stored cross-site scripting (XSS) vulnerability in Parental Control --> Access Time Restriction --> Username field, a user cannot delete the rule due to the XSS.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fiberhome | Hg150-Ub Firmware | 3.0 |
References
- http://www.fiberhome.com/Vendor Advisory
- https://github.com/afaq1337/CVE-2021-41946Exploit, Third Party Advisory
- http://www.fiberhome.com/Vendor Advisory
- https://github.com/afaq1337/CVE-2021-41946Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-41946?
In FiberHome VDSL2 Modem HG150-Ub_V3.0, a stored cross-site scripting (XSS) vulnerability in Parental Control --> Access Time Restriction --> Username field, a user cannot delete the rule due to the XSS.
How severe is CVE-2021-41946?
CVE-2021-41946 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 2.42% probability of exploitation in the next 30 days.
How do I fix CVE-2021-41946?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-41946?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST