Vulnerability-Lookup

CVE-2026-49435 (GCVE-0-2026-49435)

Vulnerability from cvelistv5 – Published: 2026-08-04 18:52 – Updated: 2026-08-04 18:59

Title

Keysight IxChariot-related products stack-based buffer overflow

Summary

Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet and execute arbitrary code with administrative privileges.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

cisa-cg

References

7 references

URL	Tags
https://www.keysight.com/us/en/lib/software-detai…	release-notes
https://www.keysight.com/us/en/about/quality-and-…	release-notes
https://www.keysight.com/us/en/lib/software-detai…	release-notes
https://www.keysight.com/us/en/lib/software-detai…	release-notes
https://www.keysight.com/us/en/product/IXTP-CU3-T…	release-notes
https://raw.githubusercontent.com/cisagov/CSAF/de…	third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2026-49435	vdb-entry

Impacted products

5 products

Vendor	Product	Version
Keysight	Hawkeye	Affected: 0 , < 6.0.7 (custom) Unaffected: 6.0.7
Keysight	IxChariot	Unaffected: 10.0.254 Affected: 0 , < 10.0.254 (custom)
Keysight	IxTap	Affected: 0 , < 3.13.0 (custom) Unaffected: 3.13.0
Keysight	IxProbe	Affected: 0 , < 3.13.0 (custom) Unaffected: 3.13.0
Keysight	IxByPass	Affected: 0 , < 3.13.0.69 (custom) Unaffected: 3.13.0.69

Date Public

2026-04-30 00:00

Credits

Sébastien Charbonnier, ANSSI

Show details on NVD website

JSON

To clipboard

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GHSA-98PG-JF9W-9QQG

Vulnerability from github – Published: 2026-08-04 21:30 – Updated: 2026-08-04 21:30

Details

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.3 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-49435"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-121"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-04T19:16:51Z",
    "severity": "CRITICAL"
  },
  "details": "Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet and execute arbitrary code with administrative privileges.",
  "id": "GHSA-98pg-jf9w-9qqg",
  "modified": "2026-08-04T21:30:28Z",
  "published": "2026-08-04T21:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49435"
    },
    {
      "type": "WEB",
      "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-216-01.json"
    },
    {
      "type": "WEB",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-49435"
    },
    {
      "type": "WEB",
      "url": "https://www.keysight.com/us/en/about/quality-and-security/security/product-and-solution-cyber-security/security-advisory-archive/security-advisory--ixchariot-vulnerability.html"
    },
    {
      "type": "WEB",
      "url": "https://www.keysight.com/us/en/lib/software-detail/computer-software/hawkeye.html"
    },
    {
      "type": "WEB",
      "url": "https://www.keysight.com/us/en/lib/software-detail/computer-software/ixchariot.html"
    },
    {
      "type": "WEB",
      "url": "https://www.keysight.com/us/en/lib/software-detail/instrument-firmware-software/ixprobe.html"
    },
    {
      "type": "WEB",
      "url": "https://www.keysight.com/us/en/product/IXTP-CU3-T/copper-taps---ixtp-cu3-t.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
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.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-49435 (GCVE-0-2026-49435)

GHSA-98PG-JF9W-9QQG

Tags

Sightings

Nomenclature