CVE-2023-52026: totolink ex1800t_firmware OS Command Injection
CVSS: 9.8v3.1CriticalModified
Published 12-01-2024Last modified 11-06-2025
Vulnerability summary
CVE-2023-52026 is a critical (CVSS 9.8) OS Command Injection vulnerability in totolink ex1800t_firmware. EPSS estimates a 1.64% chance of exploitation in the next 30 days, higher than 76.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.64%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 12-01-2024PublishedVulnerability first disclosed.
- 11-06-2025Last modifiedVulnerability information updated.
Description
TOTOlink EX1800T V9.1.0cu.2112_B20220316 was discovered to contain a remote command execution (RCE) vulnerability via the telnet_enabled parameter of the setTelnetCfg interface
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.64%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.64% on 21-09-2026
21-09-202621-10-2026
EPSS score1.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (815yang.github.io)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- ex1800t_firmware9.1.0cu.2112_b20220316
1 vendor · 1 product
References
1 links- 815yang.github.io/2023/12/11/EX1800T/2/TOTOlinkEX1800T_V9.1.0cu.2112_B2022031setTelnetCfg/ExploitThird Party Advisory