CVE-2021-35032
Medium
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.
SeverityMedium
CVSS6.4
Exploit probability—
Product
Zyxel Gs1900-8 Firmware
PublishedDec 28, 2021
First seenDec 28, 2021
Weakness typeCWE-78OS command injection
How to fix
Update
- zyxel gs1900-8_firmware2.70\(aahh.0\)-20211208 or later
- zyxel gs1900-8hp_firmware2.70\(aahi.0\)-20211208 or later
- zyxel gs1900-10hp_firmware2.70\(aazi.0\)-20211208 or later
- zyxel gs1900-16_firmware2.70\(aahj.0\)-20211208 or later
- zyxel gs1900-24e_firmware2.70\(aahk.0\)-20211208 or later
- zyxel gs1900-24ep_firmware2.70\(abto.0\)-20211208 or later
- zyxel gs1900-24_firmware2.70\(aahl.0\)-20211208 or later
- zyxel gs1900-24hp_firmware2.70\(aahm.0\)-20211208 or later
- zyxel gs1900-24hpv2_firmware2.70\(aatp.0\)-20211208 or later
- zyxel gs1900-48_firmware2.70\(aahn.0\)-20211208 or later
- zyxel gs1900-48hp_firmware2.70\(aaho.0\)-20211208 or later
- zyxel gs1900-48hpv2_firmware2.70\(abtq.0\)-20211208 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zyxel gs1900-8_firmware | v < 2.70\(aahh.0\)-20211208 | 2.70\(aahh.0\)-20211208 |
| zyxel gs1900-8hp_firmware | v < 2.70\(aahi.0\)-20211208 | 2.70\(aahi.0\)-20211208 |
| zyxel gs1900-10hp_firmware | v < 2.70\(aazi.0\)-20211208 | 2.70\(aazi.0\)-20211208 |
| zyxel gs1900-16_firmware | v < 2.70\(aahj.0\)-20211208 | 2.70\(aahj.0\)-20211208 |
| zyxel gs1900-24e_firmware | v < 2.70\(aahk.0\)-20211208 | 2.70\(aahk.0\)-20211208 |
| zyxel gs1900-24ep_firmware | v < 2.70\(abto.0\)-20211208 | 2.70\(abto.0\)-20211208 |
| zyxel gs1900-24_firmware | v < 2.70\(aahl.0\)-20211208 | 2.70\(aahl.0\)-20211208 |
| zyxel gs1900-24hp_firmware | v < 2.70\(aahm.0\)-20211208 | 2.70\(aahm.0\)-20211208 |
| zyxel gs1900-24hpv2_firmware | v < 2.70\(aatp.0\)-20211208 | 2.70\(aatp.0\)-20211208 |
| zyxel gs1900-48_firmware | v < 2.70\(aahn.0\)-20211208 | 2.70\(aahn.0\)-20211208 |
| zyxel gs1900-48hp_firmware | v < 2.70\(aaho.0\)-20211208 | 2.70\(aaho.0\)-20211208 |
| zyxel gs1900-48hpv2_firmware | v < 2.70\(abtq.0\)-20211208 | 2.70\(abtq.0\)-20211208 |
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