Vulnerability details
CVE-2026-51689
CVSS 3.1
9.1Critical
Official description
Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger firmware-upgrade workflow changes via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.1Critical | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| No product information recorded. | |||
References and advisories
4
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Details
- Published
- 2026-08-31
- Last updated
- 2026-09-02
- State
- Published
- Assigner (CNA)
- mitre
Exploit prediction (EPSS)
0.61%
Probability of exploitation in 30 days
49.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-284Improper Access Control