CVE-2025-15555 (GCVE-0-2025-15555)

Vulnerability from cvelistv5 – Published: 2026-02-04 20:32 – Updated: 2026-04-07 15:49 X_Open Source
VLAI
Title
Open5GS VoLTE Cx-Test hss-cx-path.c hss_ogs_diam_cx_mar_cb stack-based overflow
Summary
A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function hss_ogs_diam_cx_mar_cb of the file src/hss/hss-cx-path.c of the component VoLTE Cx-Test. The manipulation of the argument OGS_KEY_LEN results in stack-based buffer overflow. The attack may be launched remotely. The patch is identified as 54dda041211098730221d0ae20a2f9f9173e7a21. A patch should be applied to remediate this issue.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-05 21:04 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3757 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
n/a Open5GS Affected: 2.7.0
Affected: 2.7.1
Affected: 2.7.2
Affected: 2.7.3
Affected: 2.7.4
Affected: 2.7.5
Affected: 2.7.6
    cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Credits
Luca Jungnickel (Fraunhofer FOKUS) jungnickel (VulDB User) jungnickel (VulDB User)
Show details on NVD website
To clipboard 

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              "value": "A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function hss_ogs_diam_cx_mar_cb of the file src/hss/hss-cx-path.c of the component VoLTE Cx-Test. The manipulation of the argument OGS_KEY_LEN results in stack-based buffer overflow. The attack may be launched remotely. The patch is identified as 54dda041211098730221d0ae20a2f9f9173e7a21. A patch should be applied to remediate this issue."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "baseScore": 6.9,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X",
                "version": "4.0"
              }
            },
            {
              "cvssV3_1": {
                "baseScore": 7.3,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C",
                "version": "3.1"
              }
            },
            {
              "cvssV3_0": {
                "baseScore": 7.3,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C",
                "version": "3.0"
              }
            },
            {
              "cvssV2_0": {
                "baseScore": 7.5,
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C",
                "version": "2.0"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-121",
                  "description": "Stack-based Buffer Overflow",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-119",
                  "description": "Memory Corruption",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-07T15:49:09.962Z",
            "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
            "shortName": "VulDB"
          },
          "references": [
            {
              "name": "VDB-343795 | Open5GS VoLTE Cx-Test hss-cx-path.c hss_ogs_diam_cx_mar_cb stack-based overflow",
              "tags": [
                "vdb-entry",
                "technical-description"
              ],
              "url": "https://vuldb.com/vuln/343795"
            },
            {
              "name": "VDB-343795 | CTI Indicators (IOB, IOC, IOA)",
              "tags": [
                "signature",
                "permissions-required"
              ],
              "url": "https://vuldb.com/vuln/343795/cti"
            },
            {
              "name": "Submit #741901 | Open5GS v2.7.6 Buffer Over-read",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/submit/741901"
            },
            {
              "tags": [
                "issue-tracking"
              ],
              "url": "https://github.com/open5gs/open5gs/issues/4177"
            },
            {
              "tags": [
                "issue-tracking"
              ],
              "url": "https://github.com/open5gs/open5gs/issues/4177#event-21256395700"
            },
            {
              "tags": [
                "patch"
              ],
              "url": "https://github.com/open5gs/open5gs/commit/54dda041211098730221d0ae20a2f9f9173e7a21"
            },
            {
              "tags": [
                "product"
              ],
              "url": "https://github.com/open5gs/open5gs/"
            }
          ],
          "tags": [
            "x_open-source"
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2026-02-02T00:00:00.000Z",
              "value": "Advisory disclosed"
            },
            {
              "lang": "en",
              "time": "2026-02-02T01:00:00.000Z",
              "value": "VulDB entry created"
            },
            {
              "lang": "en",
              "time": "2026-04-07T17:49:13.000Z",
              "value": "VulDB entry last update"
            }
          ],
          "title": "Open5GS VoLTE Cx-Test hss-cx-path.c hss_ogs_diam_cx_mar_cb stack-based overflow"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "cveId": "CVE-2025-15555",
        "datePublished": "2026-02-04T20:32:07.223Z",
        "dateReserved": "2026-02-02T19:02:29.323Z",
        "dateUpdated": "2026-04-07T15:49:09.962Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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