Zyxel
Zyxel Gs1900-48 Firmware: vulnerabilidades y CVE
Zyxel Gs1900-48 Firmware tiene 16 vulnerabilidades publicadas, 1 de ellas en los últimos 12 meses. 2 son críticas y 1 figuran en el catálogo de explotación activa de CISA.
CVE16
Últimos 12 meses1
Críticas2
Explotadas activamente1
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🔴 Explotadas activamente (CISA KEV)
| CVE | Severidad | EPSS | Explotación activa | Publicada | Descripción |
|---|---|---|---|---|---|
| CVE-2026-7273 | Alta (8.8) | 2.5% | ⚠ Explotación activa | 16 jun 2026 | A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially… |
Últimas vulnerabilidades
| CVE | Severidad | EPSS | Explotación activa | Publicada | Descripción |
|---|---|---|---|---|---|
| CVE-2026-7273 | Alta (8.8) | 2.5% | ⚠ Explotación activa | 16 jun 2026 | A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially… |
| CVE-2024-8882 | Media (4.5) | 0.24% | — | 12 nov 2024 | A buffer overflow vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to cause… |
| CVE-2024-8881 | Media (6.8) | 0.70% | — | 12 nov 2024 | A post-authentication command injection vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator… |
| CVE-2024-38270 | Media (6.5) | 0.21% | — | 10 sept 2024 | An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This… |
| CVE-2023-35140 | Media (5.5) | 0.17% | — | 7 nov 2023 | The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could allow an authenticated local user with read-only access to modify system settings on a vulnerable… |
| CVE-2022-45853 | Media (6.7) | 0.17% | — | 30 may 2023 | The privilege escalation vulnerability in the Zyxel GS1900-8 firmware version V2.70(AAHH.3) and the GS1900-8HP firmware version V2.70(AAHI.3) could allow an authenticated, local attacker with administrator privileges to… |
| CVE-2022-34746 | Media (5.9) | 0.38% | — | 20 sept 2022 | An insufficient entropy vulnerability caused by the improper use of randomness sources with low entropy for RSA key pair generation was found in Zyxel GS1900 series firmware versions prior to V2.70. This vulnerability… |
| CVE-2021-35032 | Alta (7.8) | 0.21% | — | 28 dic 2021 | 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. |
| CVE-2021-35031 | Alta (8) | 0.46% | — | 28 dic 2021 | A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the… |
| CVE-2021-35030 | Media (4.3) | 0.27% | — | 26 jul 2021 | A vulnerability was found in the CGI program in Zyxel GS1900-8 firmware version V2.60, that did not properly sterilize packet contents and could allow an authenticated, local user to perform a cross-site scripting (XSS)… |
| CVE-2019-15804 | Alta (7.5) | 0.93% | — | 14 nov 2019 | An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. By sending a signal to the CLI process, undocumented functionality is triggered. Specifically, a menu can be triggered by sending the… |
| CVE-2019-15803 | Crítica (9.1) | 1.3% | — | 14 nov 2019 | An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Through an undocumented sequence of keypresses, undocumented functionality is triggered. A diagnostics shell is triggered via… |
| CVE-2019-15802 | Media (5.9) | 1.5% | — | 14 nov 2019 | An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware hashes and encrypts passwords using a hardcoded cryptographic key in sal_util_str_encrypt() in libsal.so.0.0. The… |
| CVE-2019-15801 | Alta (7.5) | 1.5% | — | 14 nov 2019 | An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. The firmware image contains encrypted passwords that are used to authenticate users wishing to access a diagnostics or… |
| CVE-2019-15800 | Crítica (9.8) | 3.9% | — | 14 nov 2019 | An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Due to lack of input validation in the cmd_sys_traceroute_exec(), cmd_sys_arp_clear(), and cmd_sys_ping_exec() functions in the… |
| CVE-2019-15799 | Alta (8.8) | 2.3% | — | 14 nov 2019 | An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. User accounts created through the web interface of the device, when given non-admin level privileges, have the same level of… |
🎯 Cómo se explota (técnicas ATT&CK)
Número de CVE de esta tecnología asignadas a cada técnica de explotación o de impacto principal.
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