CVE-2023-51027

CRITICALNVD 9.89.8—

9.8

TOTOlink EX1800T V9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘apcliAuthMode’ parameter of the setWiFiExtenderConfig interface of the cstecgi .cgi.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 57.3%
KEV: Not listed

Published

December 22, 2023

Last Modified

June 17, 2026

References (2)

cve@mitrehttps://815yang.github.io/2023/12/11/EX1800T/2/3/TOTOlinkEX1800T_V9.1.0cu.2112_B20220316setWiFiExtenderConfig-apcliAuthMode/
af854a3a-2127-422b-91ae-364da2661108https://815yang.github.io/2023/12/11/EX1800T/2/3/TOTOlinkEX1800T_V9.1.0cu.2112_B20220316setWiFiExtenderConfig-apcliAuthMode/

Data Freshness Timeline

(refreshed 12× in last 7d / 54× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
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2026-06-07 15:24 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
2026-05-24 11:33 UTCEG score recompute
2026-05-24 11:33 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-51027?

CVE-2023-51027 is a critical vulnerability published on December 22, 2023. TOTOlink EX1800T V9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘apcliAuthMode’ parameter of the setWiFiExtenderConfig interface of the cstecgi .cgi.

When was CVE-2023-51027 disclosed?

CVE-2023-51027 was first published in the National Vulnerability Database on December 22, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-51027 actively exploited?

CVE-2023-51027 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 57.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-51027?

CVE-2023-51027 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-51027?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-51027, 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.

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CVE-2023-51027

📅 Published

🔄 Last Modified

🔗 References (2)