Common Weakness Enumeration

CWE-121

Allowed

Stack-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

5237 vulnerabilities reference this CWE, most recent first.

CVE-2023-25107 (GCVE-0-2023-25107)

Vulnerability from cvelistv5 – Published: 2023-07-06 14:53 – Updated: 2025-11-04 19:15
VLAI
Summary
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_gre function with the remote_subnet and the remote_mask variables.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Milesight UR32L Affected: v32.3.0.5
Create a notification for this product.
milesight ur32l Affected: v32.3.0.5
    cpe:2.3:h:milesight:ur32l:-:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Francesco Benvenuto of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2023-25106 (GCVE-0-2023-25106)

Vulnerability from cvelistv5 – Published: 2023-07-06 14:53 – Updated: 2025-11-04 19:15
VLAI
Summary
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_gre function with the local_virtual_ip and the local_virtual_mask variables.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Milesight UR32L Affected: v32.3.0.5
Create a notification for this product.
milesight ur32l Affected: v32.3.0.5
    cpe:2.3:h:milesight:ur32l:-:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Francesco Benvenuto of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2023-25105 (GCVE-0-2023-25105)

Vulnerability from cvelistv5 – Published: 2023-07-06 14:53 – Updated: 2025-11-04 19:15
VLAI
Summary
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_ike_profile function with the secrets_remote variable.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Milesight UR32L Affected: v32.3.0.5
Create a notification for this product.
milesight ur32l Affected: v32.3.0.5
    cpe:2.3:h:milesight:ur32l:-:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Francesco Benvenuto of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2023-25104 (GCVE-0-2023-25104)

Vulnerability from cvelistv5 – Published: 2023-07-06 14:53 – Updated: 2025-11-04 19:15
VLAI
Summary
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_ike_profile function with the username and the password variables.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Milesight UR32L Affected: v32.3.0.5
Create a notification for this product.
milesight ur32l Affected: v32.3.0.5
    cpe:2.3:h:milesight:ur32l:-:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Francesco Benvenuto of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2023-25103 (GCVE-0-2023-25103)

Vulnerability from cvelistv5 – Published: 2023-07-06 14:53 – Updated: 2025-11-04 19:15
VLAI
Summary
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_dmvpn function with the gre_ip and the gre_mask variables.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Milesight UR32L Affected: v32.3.0.5
Create a notification for this product.
milesight ur32l Affected: v32.3.0.5
    cpe:2.3:h:milesight:ur32l:-:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Francesco Benvenuto of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2023-25102 (GCVE-0-2023-25102)

Vulnerability from cvelistv5 – Published: 2023-07-06 14:53 – Updated: 2025-11-04 19:15
VLAI
Summary
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_dmvpn function with the hub_ip and the hub_gre_ip variables.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Milesight UR32L Affected: v32.3.0.5
Create a notification for this product.
milesight ur32l Affected: v32.3.0.5
    cpe:2.3:h:milesight:ur32l:-:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Francesco Benvenuto of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2023-25101 (GCVE-0-2023-25101)

Vulnerability from cvelistv5 – Published: 2023-07-06 14:53 – Updated: 2025-11-04 19:15
VLAI
Summary
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_dmvpn function with the gre_key variable.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Milesight UR32L Affected: v32.3.0.5
Create a notification for this product.
milesight ur32l Affected: v32.3.0.5
    cpe:2.3:h:milesight:ur32l:-:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Francesco Benvenuto of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2023-25100 (GCVE-0-2023-25100)

Vulnerability from cvelistv5 – Published: 2023-07-06 14:53 – Updated: 2025-11-04 19:15
VLAI
Summary
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_qos function with the default_class variable.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Milesight UR32L Affected: v32.3.0.5
Create a notification for this product.
milesight ur32l Affected: v32.3.0.5
    cpe:2.3:h:milesight:ur32l:-:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Francesco Benvenuto of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2023-25099 (GCVE-0-2023-25099)

Vulnerability from cvelistv5 – Published: 2023-07-06 14:53 – Updated: 2025-11-04 19:15
VLAI
Summary
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_qos function with the dest variable.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Milesight UR32L Affected: v32.3.0.5
Create a notification for this product.
milesight ur32l Affected: v32.3.0.5
    cpe:2.3:h:milesight:ur32l:-:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Francesco Benvenuto of Cisco Talos.
Show details on NVD website
To clipboard 

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CVE-2023-25098 (GCVE-0-2023-25098)

Vulnerability from cvelistv5 – Published: 2023-07-06 14:53 – Updated: 2025-11-04 19:15
VLAI
Summary
Multiple buffer overflow vulnerabilities exist in the vtysh_ubus binary of Milesight UR32L v32.3.0.5 due to the use of an unsafe sprintf pattern. A specially crafted HTTP request can lead to arbitrary code execution. An attacker with high privileges can send HTTP requests to trigger these vulnerabilities.This buffer overflow occurs in the set_qos function with the source variable.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Milesight UR32L Affected: v32.3.0.5
Create a notification for this product.
milesight ur32l Affected: v32.3.0.5
    cpe:2.3:h:milesight:ur32l:-:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Discovered by Francesco Benvenuto of Cisco Talos.
Show details on NVD website
To clipboard 

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Mitigation MIT-10
Operation Build and Compilation

Strategy: Environment Hardening

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation
Implementation

Implement and perform bounds checking on input.

Mitigation
Implementation

Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.

Mitigation MIT-11
Operation Build and Compilation

Strategy: Environment Hardening

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].

No CAPEC attack patterns related to this CWE.

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