CVE-2023-26921
CRITICALCVSS 9.8/10EPSS 2.69%
Last modified
CVE-2023-26921 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. OS Command Injection vulnerability in quectel AG550QCN allows attackers to execute arbitrary commands via ql_atfwd.. EPSS estimates a 2.69% chance of exploitation in the next 30 days.
Description
OS Command Injection vulnerability in quectel AG550QCN allows attackers to execute arbitrary commands via ql_atfwd.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Quectel | Ag550qcn Firmware | All versions |
References
- https://github.com/closethe/AG550QCN_CommandInjection_ql_atfwd/blob/main/README.mdExploit, Third Party Advisory
- https://github.com/closethe/AG550QCN_CommandInjection_ql_atfwd/blob/main/README.mdExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-26921?
OS Command Injection vulnerability in quectel AG550QCN allows attackers to execute arbitrary commands via ql_atfwd.
How severe is CVE-2023-26921?
CVE-2023-26921 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.69% probability of exploitation in the next 30 days.
How do I fix CVE-2023-26921?
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 2023
- CVE-2023-26916libyang from v2.0.164 to v2.1.30 was discovered to contain a…5.3
- CVE-2023-26917libyang from v2.0.164 to v2.1.30 was discovered to contain a…7.5
- CVE-2023-26918Diasoft File Replication Pro 7.5.0 allows attackers to escal…9.8
- CVE-2023-26919delight-nashorn-sandbox 0.2.4 and 0.2.5 is vulnerable to san…7.2
- CVE-2023-2692A vulnerability has been found in SourceCodester ICT Laborat…6.1
- CVE-2023-26920fast-xml-parser before 4.1.2 allows __proto__ for Prototype …6.5
- CVE-2023-26922SQL injection vulnerability found in Varisicte matrix-gui v.…9.8
- CVE-2023-26923Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerabi…7
- CVE-2023-26924LLVM a0dab4950 has a segmentation fault in mlir::outlineSing…5.5
- CVE-2023-26925An information disclosure vulnerability exists in the Syslog…7.5
- CVE-2023-2693A vulnerability was found in SourceCodester Online Exam Syst…9.8
- CVE-2023-26930Buffer Overflow vulnerability found in XPDF v.4.04 allows an…5.5
Are you affected by CVE-2023-26921?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST