How severe is CVE-2025-2370?

CVE-2025-2370 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-2370 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2370?

CVE-2025-2370 affects Totolink Ex1800t Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2370?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-2370 have an EU (EUVD) identifier?

Yes. CVE-2025-2370 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6652.

When was CVE-2025-2370 published?

CVE-2025-2370 was published on 2025-03-17 and last updated on 2026-06-17.

CVE-2025-2370

CVE-2025-2370 is a high-severity vulnerability in Totolink Ex1800t Firmware with a CVSS 3.x base score of 8.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 8.7
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6652
Weakness: CWE-787
Affected product: Totolink Ex1800t Firmware
Published: 2025-03-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-2370?: 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.
How severe is CVE-2025-2370?: CVE-2025-2370 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-2370 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2370?: CVE-2025-2370 affects Totolink Ex1800t Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2370?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-2370 have an EU (EUVD) identifier?: Yes. CVE-2025-2370 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6652.
When was CVE-2025-2370 published?: CVE-2025-2370 was published on 2025-03-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:ex1800t_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Totolink Ex1800t Firmware

CVE-2024-34257 — Critical (CVSS 9.8): TOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType parameter that allows unauthorized…
CVE-2023-52026 — Critical (CVSS 9.8): TOTOlink EX1800T V9.1.0cu.2112_B20220316 was discovered to contain a remote command execution (RCE) vulnerability via…
CVE-2023-51022 — Critical (CVSS 9.8): TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the…
CVE-2023-51021 — Critical (CVSS 9.8): TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘merge’…
CVE-2023-51020 — Critical (CVSS 9.8): TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the…
CVE-2023-51019 — Critical (CVSS 9.8): TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘key5g’…

All CVEs affecting Totolink Ex1800t Firmware →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is…
CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →