Buffer overflow in Keysight Hawkeye
CVE-2026-49435
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Keysight Hawkeye — versions 0, 6.0.7
- Keysight Ixbypass — versions 0, 3.13.0.69
- Keysight Ixchariot — versions 10.0.254, 0
- Keysight Ixprobe — versions 0, 3.13.0
- Keysight Ixtap — versions 0, 3.13.0
Weakness classification (CWE)
References
- 9119a7d8-5eab-497f-8521-727c672e3725 (release-notes)
- 9119a7d8-5eab-497f-8521-727c672e3725 (release-notes)
- 9119a7d8-5eab-497f-8521-727c672e3725 (release-notes)
- 9119a7d8-5eab-497f-8521-727c672e3725 (release-notes)
- 9119a7d8-5eab-497f-8521-727c672e3725 (release-notes)
- 9119a7d8-5eab-497f-8521-727c672e3725 (third-party-advisory)
- 9119a7d8-5eab-497f-8521-727c672e3725 (vdb-entry)
Frequently asked questions
- What is CVE-2026-49435?
- CVE-2026-49435 is a critical-severity vulnerability in Keysight Hawkeye, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-08-04.
- How severe is CVE-2026-49435?
- Critical severity. CVSS v3 base score is 9.8 out of 10.