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vulnrichmentZdiVULNRICHMENT:CVE-2024-5228
HistoryMay 23, 2024 - 9:55 p.m.

CVE-2024-5228 TP-Link Omada ER605 Comexe DDNS Response Handling Heap-based Buffer Overflow Remote Code Execution Vulnerability

2024-05-2321:55:55
CWE-122
zdi
github.com
tp-link
omada er605
comexe ddns
heap-based buffer overflow
remote code execution
vulnerability
network-adjacent attackers
authentication
dns handling
zdi-can-22383

7.5 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

28.9%

TP-Link Omada ER605 Comexe DDNS Response Handling Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Omada ER605 routers. Authentication is not required to exploit this vulnerability. However, devices are vulnerable only if configured to use the Comexe DDNS service.

The specific flaw exists within the handling of DNS responses. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-22383.

CNA Affected

[
  {
    "vendor": "TP-Link",
    "product": "Omada ER605",
    "versions": [
      {
        "version": "2.6_2.2.2 Build 20231017",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

7.5 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

28.9%

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