CVE-2025-2097: A vulnerability, which was classified as critical, has been found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316

This month

HIGH 8.8MITIGATE

CVE-2025-2097 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, which was classified as critical, has been found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316. This issue affects the function setRptWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument loginpass leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	7.2% (top 6%)
CISA exploited list	No
Weakness	CWE-119, CWE-121, CWE-787
Published	2025-03-07
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

2025-03-07 23:15 UTCPublished CVE record published
2026-06-17 09:06 UTCUpdated Record last modified

totolink ex1800t firmware MITIGATE

Affected: 9.1.0cu.2112_b20220316

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.1.0cu.2112_b20220316

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-2025-2097?

ex1800t firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-2097 being exploited?

CVE-2025-2097 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-2025-2097 affect?

CVE-2025-2097 affects ex1800t firmware. Severity is high (CVSS 8.8). A vulnerability, which was classified as critical, has been found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316. This issue affects the function setRptWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument loginpass leads

How urgent is CVE-2025-2097?

Priority 59/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2025-2370 HIGH 8.8 UPGRADE A vulnerability was found in TOTOLINK EX1800T up to 9.1.0cu.2112_B20220316
CVE-2025-2369 HIGH 8.8 UPGRADE A vulnerability was found in TOTOLINK EX1800T up to 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

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