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22 vulnerabilities found for openNDS by openNDS
CVE-2026-38822 (GCVE-0-2026-38822)
Vulnerability from nvd – Published: 2026-08-28 00:12 – Updated: 2026-08-28 15:23
VLAI
EPSS
VEX
Summary
In openNDS before 11.0.0, the client_params.sh script, invoked by the openNDS daemon to serve the authenticated client status page, is vulnerable to OS command injection through crafted HTTP GET query parameter keys. An authenticated captive portal user can inject arbitrary shell commands by embedding semicolons in a URL query parameter name.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 15:17 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
Impacted products
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CVE-2026-38821 (GCVE-0-2026-38821)
Vulnerability from nvd – Published: 2026-08-28 00:10 – Updated: 2026-08-28 15:24
VLAI
EPSS
VEX
Summary
A heap-based buffer overflow vulnerability exists in openNDS before 11.0.0 that allows an unauthenticated attacker on the captive portal network to crash the openNDS daemon (denial of service) and potentially achieve remote code execution. This is in http_microhttpd.c.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 15:23 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Impacted products
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CVE-2026-38820 (GCVE-0-2026-38820)
Vulnerability from nvd – Published: 2026-08-28 00:07 – Updated: 2026-08-28 16:20
VLAI
EPSS
VEX
Summary
openNDS before 11.0.0 is susceptible to unauthenticated OS command execution via shell command injection through the fas query parameter on the /opennds_preauth/ endpoint because of libopennds.sh.
Severity
8.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:19 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
Impacted products
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CVE-2026-38819 (GCVE-0-2026-38819)
Vulnerability from nvd – Published: 2026-08-28 00:03 – Updated: 2026-08-28 16:21
VLAI
EPSS
VEX
Summary
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:21 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
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CVE-2024-25763 (GCVE-0-2024-25763)
Vulnerability from nvd – Published: 2024-02-26 00:00 – Updated: 2024-12-06 21:05
VLAI
EPSS
VEX
Summary
openNDS 10.2.0 is vulnerable to Use-After-Free via /openNDS/src/auth.c.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-02 19:21 UTC
CWE
- n/a
- CWE-416 - Use After Free
Assigner
References
1 reference
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CVE-2023-38323 (GCVE-0-2023-38323)
Vulnerability from nvd – Published: 2024-01-26 00:00 – Updated: 2025-05-29 15:18
VLAI
EPSS
VEX
Summary
An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the status path script entry in the configuration file, allowing attackers that have direct or indirect access to this file to execute arbitrary OS commands.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-08 15:59 UTC
CWE
- n/a
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
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CVE-2023-38319 (GCVE-0-2023-38319)
Vulnerability from nvd – Published: 2024-01-26 00:00 – Updated: 2025-06-20 19:37
VLAI
EPSS
VEX
Summary
An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the FAS key entry in the configuration file, allowing attackers that have direct or indirect access to this file to execute arbitrary OS commands.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-31 18:41 UTC
CWE
- n/a
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
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CVE-2023-38318 (GCVE-0-2023-38318)
Vulnerability from nvd – Published: 2024-01-26 00:00 – Updated: 2025-06-20 19:37
VLAI
EPSS
VEX
Summary
An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the gateway FQDN entry in the configuration file, allowing attackers that have direct or indirect access to this file to execute arbitrary OS commands.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-26 14:31 UTC
CWE
- n/a
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
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CVE-2023-38317 (GCVE-0-2023-38317)
Vulnerability from nvd – Published: 2024-01-26 00:00 – Updated: 2025-06-03 18:01
VLAI
EPSS
VEX
Summary
An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the network interface name entry in the configuration file, allowing attackers that have direct or indirect access to this file to execute arbitrary OS commands.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-03 18:01 UTC
CWE
- n/a
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
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CVE-2023-41102 (GCVE-0-2023-41102)
Vulnerability from nvd – Published: 2023-11-17 00:00 – Updated: 2024-08-02 18:54
VLAI
EPSS
VEX
Summary
An issue was discovered in the captive portal in OpenNDS before version 10.1.3. It has multiple memory leaks due to not freeing up allocated memory. This may lead to a Denial-of-Service condition due to the consumption of all available memory. Affected OpenNDS before version 10.1.3 fixed in OpenWrt master and OpenWrt 23.05 on 23. November by updating OpenNDS to version 10.2.0.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-24 15:52 UTC
CWE
- n/a
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
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CVE-2023-41101 (GCVE-0-2023-41101)
Vulnerability from nvd – Published: 2023-11-17 00:00 – Updated: 2024-09-04 20:17
VLAI
EPSS
VEX
Summary
An issue was discovered in the captive portal in OpenNDS before version 10.1.3. get_query in http_microhttpd.c does not validate the length of the query string of GET requests. This leads to a stack-based buffer overflow in versions 9.x and earlier, and to a heap-based buffer overflow in versions 10.x and later. Attackers may exploit the issue to crash OpenNDS (Denial-of-Service condition) or to inject and execute arbitrary bytecode (Remote Code Execution). Affected OpenNDS before version 10.1.3 fixed in OpenWrt master and OpenWrt 23.05 on 23. November by updating OpenNDS to version 10.2.0.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-04 20:16 UTC
CWE
- n/a
Assigner
References
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CVE-2026-38822 (GCVE-0-2026-38822)
Vulnerability from cvelistv5 – Published: 2026-08-28 00:12 – Updated: 2026-08-28 15:23
VLAI
EPSS
VEX
Summary
In openNDS before 11.0.0, the client_params.sh script, invoked by the openNDS daemon to serve the authenticated client status page, is vulnerable to OS command injection through crafted HTTP GET query parameter keys. An authenticated captive portal user can inject arbitrary shell commands by embedding semicolons in a URL query parameter name.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 15:17 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
Impacted products
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CVE-2026-38821 (GCVE-0-2026-38821)
Vulnerability from cvelistv5 – Published: 2026-08-28 00:10 – Updated: 2026-08-28 15:24
VLAI
EPSS
VEX
Summary
A heap-based buffer overflow vulnerability exists in openNDS before 11.0.0 that allows an unauthenticated attacker on the captive portal network to crash the openNDS daemon (denial of service) and potentially achieve remote code execution. This is in http_microhttpd.c.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 15:23 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Impacted products
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CVE-2026-38820 (GCVE-0-2026-38820)
Vulnerability from cvelistv5 – Published: 2026-08-28 00:07 – Updated: 2026-08-28 16:20
VLAI
EPSS
VEX
Summary
openNDS before 11.0.0 is susceptible to unauthenticated OS command execution via shell command injection through the fas query parameter on the /opennds_preauth/ endpoint because of libopennds.sh.
Severity
8.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:19 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
Impacted products
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CVE-2026-38819 (GCVE-0-2026-38819)
Vulnerability from cvelistv5 – Published: 2026-08-28 00:03 – Updated: 2026-08-28 16:21
VLAI
EPSS
VEX
Summary
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:21 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
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CVE-2024-25763 (GCVE-0-2024-25763)
Vulnerability from cvelistv5 – Published: 2024-02-26 00:00 – Updated: 2024-12-06 21:05
VLAI
EPSS
VEX
Summary
openNDS 10.2.0 is vulnerable to Use-After-Free via /openNDS/src/auth.c.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-02 19:21 UTC
CWE
- n/a
- CWE-416 - Use After Free
Assigner
References
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CVE-2023-38317 (GCVE-0-2023-38317)
Vulnerability from cvelistv5 – Published: 2024-01-26 00:00 – Updated: 2025-06-03 18:01
VLAI
EPSS
VEX
Summary
An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the network interface name entry in the configuration file, allowing attackers that have direct or indirect access to this file to execute arbitrary OS commands.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-03 18:01 UTC
CWE
- n/a
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
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CVE-2023-38319 (GCVE-0-2023-38319)
Vulnerability from cvelistv5 – Published: 2024-01-26 00:00 – Updated: 2025-06-20 19:37
VLAI
EPSS
VEX
Summary
An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the FAS key entry in the configuration file, allowing attackers that have direct or indirect access to this file to execute arbitrary OS commands.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-31 18:41 UTC
CWE
- n/a
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
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CVE-2023-38318 (GCVE-0-2023-38318)
Vulnerability from cvelistv5 – Published: 2024-01-26 00:00 – Updated: 2025-06-20 19:37
VLAI
EPSS
VEX
Summary
An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the gateway FQDN entry in the configuration file, allowing attackers that have direct or indirect access to this file to execute arbitrary OS commands.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-26 14:31 UTC
CWE
- n/a
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
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CVE-2023-38323 (GCVE-0-2023-38323)
Vulnerability from cvelistv5 – Published: 2024-01-26 00:00 – Updated: 2025-05-29 15:18
VLAI
EPSS
VEX
Summary
An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the status path script entry in the configuration file, allowing attackers that have direct or indirect access to this file to execute arbitrary OS commands.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-08 15:59 UTC
CWE
- n/a
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
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"url": "https://github.com/openNDS/openNDS/releases/tag/v10.1.3"
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"cveId": "CVE-2023-38323",
"datePublished": "2024-01-26T00:00:00.000Z",
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CVE-2023-41101 (GCVE-0-2023-41101)
Vulnerability from cvelistv5 – Published: 2023-11-17 00:00 – Updated: 2024-09-04 20:17
VLAI
EPSS
VEX
Summary
An issue was discovered in the captive portal in OpenNDS before version 10.1.3. get_query in http_microhttpd.c does not validate the length of the query string of GET requests. This leads to a stack-based buffer overflow in versions 9.x and earlier, and to a heap-based buffer overflow in versions 10.x and later. Attackers may exploit the issue to crash OpenNDS (Denial-of-Service condition) or to inject and execute arbitrary bytecode (Remote Code Execution). Affected OpenNDS before version 10.1.3 fixed in OpenWrt master and OpenWrt 23.05 on 23. November by updating OpenNDS to version 10.2.0.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-04 20:16 UTC
CWE
- n/a
Assigner
References
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CVE-2023-41102 (GCVE-0-2023-41102)
Vulnerability from cvelistv5 – Published: 2023-11-17 00:00 – Updated: 2024-08-02 18:54
VLAI
EPSS
VEX
Summary
An issue was discovered in the captive portal in OpenNDS before version 10.1.3. It has multiple memory leaks due to not freeing up allocated memory. This may lead to a Denial-of-Service condition due to the consumption of all available memory. Affected OpenNDS before version 10.1.3 fixed in OpenWrt master and OpenWrt 23.05 on 23. November by updating OpenNDS to version 10.2.0.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-24 15:52 UTC
CWE
- n/a
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
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