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2 vulnerabilities found for GS1900-24HPv2 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-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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