CVE-2021-35032
HIGHCVSS 7.8/10EPSS 0.21%
Last modified
CVE-2021-35032 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Gs1900-8 Firmware | < 2.70\(aahh.0\)-20211208 |
| Zyxel | Gs1900-8hp Firmware | < 2.70\(aahi.0\)-20211208 |
| Zyxel | Gs1900-10hp Firmware | < 2.70\(aazi.0\)-20211208 |
| Zyxel | Gs1900-16 Firmware | < 2.70\(aahj.0\)-20211208 |
| Zyxel | Gs1900-24e Firmware | < 2.70\(aahk.0\)-20211208 |
| Zyxel | Gs1900-24ep Firmware | < 2.70\(abto.0\)-20211208 |
| Zyxel | Gs1900-24 Firmware | < 2.70\(aahl.0\)-20211208 |
| Zyxel | Gs1900-24hp Firmware | < 2.70\(aahm.0\)-20211208 |
| Zyxel | Gs1900-24hpv2 Firmware | < 2.70\(aatp.0\)-20211208 |
| Zyxel | Gs1900-48 Firmware | < 2.70\(aahn.0\)-20211208 |
| Zyxel | Gs1900-48hp Firmware | < 2.70\(aaho.0\)-20211208 |
| Zyxel | Gs1900-48hpv2 Firmware | < 2.70\(abtq.0\)-20211208 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-35032?
A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow an authenticated local user to execute arbitrary OS commands via a crafted function call.
How severe is CVE-2021-35032?
CVE-2021-35032 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35032?
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-2021-35032?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST