CVE-2026-9534
CVE-2026-9534 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 6.5
- CVSS v4: 2.1
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31796
- Weakness: CWE-77
- Published:
- Last modified:
Description
A flaw has been found in Totolink CA750-PoE 6.2c.510. This affects the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Executing a manipulation of the argument PIN can lead to os command injection. It is possible to launch the attack remotely. The exploit has been published and may be used.
Frequently asked questions
- What is CVE-2026-9534?
- A flaw has been found in Totolink CA750-PoE 6.2c.510. This affects the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Executing a manipulation of the argument PIN can lead to os command injection. It is possible to launch the attack remotely. The exploit has been published and may be used.
- How severe is CVE-2026-9534?
- CVE-2026-9534 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-9534 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-9534?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-9534 have an EU (EUVD) identifier?
- Yes. CVE-2026-9534 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31796.
- When was CVE-2026-9534 published?
- CVE-2026-9534 was published on 2026-05-26 and last updated on 2026-06-17.
References
- https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_57/57.md
- https://vuldb.com/submit/813938
- https://vuldb.com/vuln/365561
- https://vuldb.com/vuln/365561/cti
- https://www.totolink.net/
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