CVE-2021-35036
A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could...
A cleartext storage of information vulnerability in the Zyxel VMG3625-T50B firmware version V5.50(ABTL.0)b2k could allow an authenticated attacker to obtain sensitive information from the configuration file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A cleartext storage of information vulnerability in the Zyxel VMG3625-T50B firmware version V5.50(ABTL.0)b2k could allow an authenticated attacker to obtain sensitive information from the configuration file.
- Record
CVE-2021-35036- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-312
- Updated
- 2026-11-02
EUVDEUVD-2021-21683
A cleartext storage of information vulnerability in the Zyxel VMG3625-T50B firmware version V5.50(ABTL.0)b2k could allow an authenticated attacker to obtain sensitive information from the configuration file.
- Record
EUVD-2021-21683- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pp3g-h9w2-v7g4
A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could...
A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device.
- Record
GHSA-pp3g-h9w2-v7g4- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-312
- Updated
- 2026-11-02
NVD
A cleartext storage of information vulnerability in the Zyxel VMG3625-T50B firmware version V5.50(ABTL.0)b2k could allow an authenticated attacker to obtain sensitive information from the configuration file.
- Record
CVE-2021-35036- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:P/I:N/A:N - Weakness
- CWE-312
- Updated
- 2026-11-02
Affected products
- zyxel vmg3625-t50b firmware
- zyxel ax7501-b0 firmware
- zyxel dx3301-t0 firmware
- zyxel dx5401-b0 firmware
- zyxel emg3525-t50b firmware
- zyxel emg5523-t50b firmware
- zyxel emg5723-t50k firmware
- zyxel ep240p firmware
- zyxel ex5401-b0 firmware
- zyxel ex5501-b0 firmware
- zyxel lte3301-plus firmware
- zyxel lte5388-m804 firmware
Show 19 moreShow less
- zyxel lte5388-s905 firmware
- zyxel lte5398-m904 firmware
- zyxel lte7240-m403 firmware
- zyxel lte7461-m602 firmware
- zyxel lte7480-m804 firmware
- zyxel lte7480-s905 firmware
- zyxel lte7485-s905 firmware
- zyxel lte7490-m804 firmware
- zyxel nr5101 firmware
- zyxel nr7101 firmware
- zyxel nr7102 firmware
- zyxel pm7300-t0 firmware
- zyxel pmg5317-t20b firmware
- zyxel pmg5617-t20b2 firmware
- zyxel pmg5617ga firmware
- zyxel pmg5622ga firmware
- zyxel vmg3927-t50k firmware
- zyxel vmg8623-t50b firmware
- zyxel vmg8825-t50k firmware
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | minanagehsalalma/zyxel-cve-2021-35036-super-admin-password-leak | 2026-05-19 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-35036 is a medium vulnerability (CVSS 6.5) in Zyxel Vmg3625-t50b Firmware, published March 1, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. No source names a fixed version.