01 Record
CVE-2026-49435
Keysight IxChariot-related products stack-based buffer overflow
CriticalPUBLISHEDCNA: cisa-cg
CNA base score9.3 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
02 Description
Keysight IxChariot-related products stack-based buffer overflow
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 1.41% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 72.2% of scored records. A rank, not a probability.
- NVD base score
- 9.3 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- 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
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-08-26.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-04 18:52Z2 MO AGO
- Last updated
- 2026-08-04 18:59Z2 MO AGO
- Reserved
- 2026-05-29
- Assigning CNA
- cisa-cg
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.3)
- CNA CVSS vector
- 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
- Weaknesses
- CWE-121Stack-based Buffer OverflowVariant
- Data version
- 5.2
- Document digest
- 7f65ec2f6750096021c1c344c1bb93d16c93b472829e452fd8ee843c9d07d80a
05 Affected products
06 References
- www.keysight.comurlhttps://www.keysight.com/us/en/lib/software-detail/computer-software/hawkeye.html
- www.keysight.comurlhttps://www.keysight.com/us/en/about/quality-and-security/security/product-and-solution-cyber-security/security-advisory-archive/security-advisory--ixchariot-vulnerability.html
- www.keysight.comurlhttps://www.keysight.com/us/en/lib/software-detail/computer-software/ixchariot.html
- www.keysight.comurlhttps://www.keysight.com/us/en/lib/software-detail/instrument-firmware-software/ixprobe.html
- www.keysight.comurlhttps://www.keysight.com/us/en/product/IXTP-CU3-T/copper-taps---ixtp-cu3-t.html
- raw.githubusercontent.comurlhttps://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-216-01.json
- www.cve.orgurlhttps://www.cve.org/CVERecord?id=CVE-2026-49435