CVE-2026-21555
HIGHCVSS 7.5/10
Last modified
CVE-2026-21555 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed.
Description
In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unisoc (Shanghai) Technologies Co., Ltd. | UDX710 | Yocto |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-21555?
In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed
How severe is CVE-2026-21555?
CVE-2026-21555 has a CVSS score of 7.5/10 (HIGH severity).
How do I fix CVE-2026-21555?
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.
Related CVEs from 2026
- CVE-2026-2155A security flaw has been discovered in D-Link DIR-823X 25041…7.3
- CVE-2026-21550In modem, there is a possible improper input validation. Thi…7.5
- CVE-2026-21551In modem, there is a possible improper input validation. Thi…7.5
- CVE-2026-21552In modem, there is a possible improper input validation. Thi…7.5
- CVE-2026-21553In modem, there is a possible improper input validation. Thi…7.5
- CVE-2026-21554In modem, there is a possible improper input validation. Thi…7.5
- CVE-2026-2156A weakness has been identified in code-projects Online Stude…4.8
- CVE-2026-21569This High severity XXE (XML External Entity Injection) vulne…7.9
- CVE-2026-2157A security vulnerability has been detected in D-Link DIR-823…7.3
- CVE-2026-21570This High severity RCE (Remote Code Execution) vulnerabilit…8.8
- CVE-2026-21571This Critical severity OS Command Injection vulnerability wa…8.8
- CVE-2026-21575This High severity RCE (Remote Code Execution) vulnerability…8
Are you affected by CVE-2026-21555?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST