A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setAppCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument enable can lead to os command injection. The attack may be launched remotely. The exploit has been published and may be used.
CVE-2026-6115
CRITICALNVD 9.89.8—Elevated
EchelonGraph scoreMEDIUM confidence
Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-04-12. NVD baseline CVSS 9.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 76.3%
- KEV
- Not listed
Published
April 12, 2026
Last Modified
April 27, 2026
Advisory Details (2)
Auto-updated May 10, 2026🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available
vuldb_new/A7100RU/vul_180/README.md at main · Litengzheng/vuldb_new · GitHub
https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_180/README.mdFrequently asked(5)
What is CVE-2026-6115?
CVE-2026-6115 is a critical vulnerability published on April 12, 2026. A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setAppCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument enable can lead to os command injection. The attack may be launched remotely. The exploit has…
When was CVE-2026-6115 disclosed?
CVE-2026-6115 was first published in the National Vulnerability Database on April 12, 2026, with the most recent update on April 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-6115 actively exploited?
CVE-2026-6115 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-6115?
CVE-2026-6115 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-6115?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6115, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-6115
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