Skip to content
Fencer Vulns
critical 9.8

CVE-2026-49435 json

Keysight IxChariot-related products stack-based buffer overflow

published 2026-08-04 3 mo ago modified 2026-08-26 2 mo ago also EUVD-2026-52870

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

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.

Patch / fix

  • Keysight Hawkeye 6.0.7
  • Keysight IxChariot 10.0.254
  • Keysight IxTap 3.13.0
  • Keysight IxProbe 3.13.0
  • Keysight IxByPass 3.13.0.69

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa vex VA-26-216-01 updated cvss 9.8

IxChariot Endpoint buffer overflow

  • Keysight Hawkeye <6.0.7
    affected: vendor fix
  • Keysight IxByPass <3.13.0.69
    affected
  • Keysight IxChariot <10.0.254
    affected: vendor fix
  • Keysight IxProbe <3.13.0 Keysight IxTap <3.13.0
    affected
  • Keysight Hawkeye 6.0.7
    fixed: vendor fix
  • Keysight IxByPass 3.13.0.69
    fixed
  • Keysight IxChariot 10.0.254
    fixed: vendor fix
  • Keysight IxProbe 3.13.0 Keysight IxTap 3.13.0
    fixed

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
3 mo ago

Exploit prediction

1.42% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 9.3 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
CNA 4.0 9.3 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

Affected products

  • Keysight Hawkeye
  • Keysight IxChariot
  • Keysight IxTap
  • Keysight IxProbe
  • Keysight IxByPass

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.