CVE-2025-2370: A vulnerability was found in TOTOLINK EX1800T up to 9.1.0cu.2112_B20220316

Q: How do I fix CVE-2025-2370?

ex1800t firmware: upgrade to newer than 9.1.0cu.2112_b20220316. Exact commands for each OS are on this page.

Q: Is CVE-2025-2370 being exploited?

CVE-2025-2370 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-2370 affect?

CVE-2025-2370 affects ex1800t firmware. Severity is high (CVSS 8.8). A vulnerability was found in TOTOLINK EX1800T up to 9.1.0cu.2112_B20220316. It has been declared as critical. Affected by this vulnerability is the function setWiFiExtenderConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the arg

Q: How urgent is CVE-2025-2370?

Priority 53/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2025-2370 is a high-severity flaw (CVSS 8.8) affecting ex1800t firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in TOTOLINK EX1800T up to 9.1.0cu.2112_B20220316. It has been declared as critical. Affected by this vulnerability is the function setWiFiExtenderConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument apcliSsid leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-119, CWE-121, CWE-787
Published	2025-03-17
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: totolink

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-17 09:15 UTCPublished CVE record published
2026-06-17 09:06 UTCUpdated Record last modified

totolink ex1800t firmware UPGRADE

Affected: <= 9.1.0cu.2112_b20220316

Fixed in: newer than 9.1.0cu.2112_b20220316

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-2370?

ex1800t firmware: upgrade to newer than 9.1.0cu.2112_b20220316. Exact commands for each OS are on this page.

Is CVE-2025-2370 being exploited?

CVE-2025-2370 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-2370 affect?

CVE-2025-2370 affects ex1800t firmware. Severity is high (CVSS 8.8). A vulnerability was found in TOTOLINK EX1800T up to 9.1.0cu.2112_B20220316. It has been declared as critical. Affected by this vulnerability is the function setWiFiExtenderConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the arg

How urgent is CVE-2025-2370?

Priority 53/100. High severity; Public exploit reference

Related CVEs

CVE-2025-2369 HIGH 8.8 UPGRADE A vulnerability was found in TOTOLINK EX1800T up to 9.1.0cu.2112_B20220316
CVE-2025-2097 HIGH 8.8 MITIGATE A vulnerability, which was classified as critical, has been found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316
CVE-2025-2096 MEDIUM 6.3 MITIGATE A vulnerability classified as critical was found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316
CVE-2025-2095 MEDIUM 6.3 MITIGATE A vulnerability classified as critical has been found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316
CVE-2025-2094 MEDIUM 6.3 MITIGATE A vulnerability was found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316

References

← Back to latest CVEs