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6 vulnerabilities found for GS1900-48 firmware by Zyxel
CVE-2026-7273 (GCVE-0-2026-7273)
Vulnerability from nvd – Published: 2026-06-16 02:20 – Updated: 2026-06-18 03:55
VLAI
Summary
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 execute OS commands via a crafted HTTP request.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1900-48HPv2 firmware |
Affected:
<= 2.90(ABTQ.1)C0
|
|
| Zyxel | GS1900-8 firmware |
Affected:
<= 2.90(AAHH.1)C0
|
|
| Zyxel | GS1900-8HP firmware |
Affected:
<= 2.90(AAHI.1)C0
|
|
| Zyxel | GS1900-10HP firmware |
Affected:
<= 2.90(AAZI.1)C0
|
|
| Zyxel | GS1900-16 firmware |
Affected:
<= 2.90(AAHJ.1)C0
|
|
| Zyxel | GS1900-24 firmware |
Affected:
<= 2.90(AAHL.1)C0
|
|
| Zyxel | GS1900-24E firmware |
Affected:
<= 2.90(AAHK.1)C0
|
|
| Zyxel | GS1900-24EP firmware |
Affected:
<= 2.90(ABTO.1)C0
|
|
| Zyxel | GS1900-24HPv2 firmware |
Affected:
<= 2.90(ABTP.1)C0
|
|
| Zyxel | GS1900-48 firmware |
Affected:
<= 2.90(AAHN.1)C0
|
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CVE-2024-8882 (GCVE-0-2024-8882)
Vulnerability from nvd – Published: 2024-11-12 01:23 – Updated: 2024-11-12 14:27
VLAI
Summary
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 denial of service (DoS) conditions via a crafted URL.
Severity
4.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1900-48 firmware |
Affected:
<= V2.80(AAHN.1)C0
|
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CVE-2024-8881 (GCVE-0-2024-8881)
Vulnerability from nvd – Published: 2024-11-12 01:17 – Updated: 2024-11-12 16:16
VLAI
Summary
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 privileges to execute some operating system (OS) commands on an affected device by sending a crafted HTTP request.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1900-48 firmware |
Affected:
<= V2.80(AAHN.1)C0
|
|
| zyxel | gs1900-48_firmware |
Affected:
0 , ≤ 2.80(AAHN.1)C0
(custom)
cpe:2.3:o:zyxel:gs1900-48_firmware:*:*:*:*:*:*:*:* |
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CVE-2026-7273 (GCVE-0-2026-7273)
Vulnerability from cvelistv5 – Published: 2026-06-16 02:20 – Updated: 2026-06-18 03:55
VLAI
Summary
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 execute OS commands via a crafted HTTP request.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1900-48HPv2 firmware |
Affected:
<= 2.90(ABTQ.1)C0
|
|
| Zyxel | GS1900-8 firmware |
Affected:
<= 2.90(AAHH.1)C0
|
|
| Zyxel | GS1900-8HP firmware |
Affected:
<= 2.90(AAHI.1)C0
|
|
| Zyxel | GS1900-10HP firmware |
Affected:
<= 2.90(AAZI.1)C0
|
|
| Zyxel | GS1900-16 firmware |
Affected:
<= 2.90(AAHJ.1)C0
|
|
| Zyxel | GS1900-24 firmware |
Affected:
<= 2.90(AAHL.1)C0
|
|
| Zyxel | GS1900-24E firmware |
Affected:
<= 2.90(AAHK.1)C0
|
|
| Zyxel | GS1900-24EP firmware |
Affected:
<= 2.90(ABTO.1)C0
|
|
| Zyxel | GS1900-24HPv2 firmware |
Affected:
<= 2.90(ABTP.1)C0
|
|
| Zyxel | GS1900-48 firmware |
Affected:
<= 2.90(AAHN.1)C0
|
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CVE-2024-8882 (GCVE-0-2024-8882)
Vulnerability from cvelistv5 – Published: 2024-11-12 01:23 – Updated: 2024-11-12 14:27
VLAI
Summary
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 denial of service (DoS) conditions via a crafted URL.
Severity
4.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1900-48 firmware |
Affected:
<= V2.80(AAHN.1)C0
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CVE-2024-8881 (GCVE-0-2024-8881)
Vulnerability from cvelistv5 – Published: 2024-11-12 01:17 – Updated: 2024-11-12 16:16
VLAI
Summary
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 privileges to execute some operating system (OS) commands on an affected device by sending a crafted HTTP request.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | GS1900-48 firmware |
Affected:
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|
|
| zyxel | gs1900-48_firmware |
Affected:
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