CVE-2026-20161
CVE-2026-20161: 1 tracked advisory record across Cisco. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Cisco
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-20161] Cisco ThousandEyes Enterprise Agent Arbitrary File Overwrite Vulnerability
cisco-sa-te-agentfilewrite-tqUw3SMUSource published Source updated
A vulnerability in the CLI of Cisco ThousandEyes Enterprise Agent could allow an authenticated, local attacker with low privileges to overwrite arbitrary files on the local system of an affected device. This vulnerability is due to improper access controls on files that are on the local file system of an affected device. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system. A successful exploit could allow the attacker to bypass file system permissions and overwrite arbitrary files on the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
- Related products — impact not confirmed
- ThousandEyes Enterprise Agent
- Source-reported affected versions
- Scope: At the time of publication, this vulnerability affected Cisco ThousandEyes Enterprise Agent Linux Package installation type, regardless of device configuration.
- Release 1.2 and earlier (first fixed: 1.234.0)
- Source-reported fixed versions
- 1.234.0
- Mitigation guidance
- Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
- Release 1.2 and earlier: upgrade to 1.234.0.
- Workarounds
- There are no workarounds that address this vulnerability.
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