CVE-2021-35032
A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2021-35032- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2021-21679
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.
- Record
EUVD-2021-21679- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r9f4-jwv9-qjg8 No score
A vulnerability in the 'libsal.so' of the Zyxel GS1900 series firmware version 2.60 could allow...
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.
- Record
GHSA-r9f4-jwv9-qjg8- Weakness
- CWE-78
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-35032- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
- zyxel gs1900 series firmware
- zyxel gs1900-10hp firmware
- zyxel gs1900-16 firmware
- zyxel gs1900-24 firmware
- zyxel gs1900-24e firmware
- zyxel gs1900-24ep firmware
- zyxel gs1900-24hp firmware
- zyxel gs1900-24hpv2 firmware
- zyxel gs1900-48 firmware
- zyxel gs1900-48hp firmware
- zyxel gs1900-48hpv2 firmware
- zyxel gs1900-8 firmware
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History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-35032 is a medium vulnerability (CVSS 6.4) in Zyxel Gs1900 Series Firmware, published December 28, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.