How severe is CVE-2025-44837?

CVE-2025-44837 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-44837 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-44837?

CVE-2025-44837 affects Totolink Cp900 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-44837?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-44837 have an EU (EUVD) identifier?

Yes. CVE-2025-44837 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12839.

When was CVE-2025-44837 published?

CVE-2025-44837 was published on 2025-05-01 and last updated on 2026-06-17.

CVE-2025-44837

CVE-2025-44837 is a medium-severity vulnerability in Totolink Cp900 Firmware with a CVSS 3.x base score of 6.3. 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-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12839
Weakness: CWE-77
Affected product: Totolink Cp900 Firmware
Published: 2025-05-01
Last modified: 2026-06-17

Description

TOTOLINK CPE CP900 V6.3c.1144_B20190715 was discovered to contain a command injection vulnerability in the CloudSrvUserdataVersionCheck function via the url or magicid parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Frequently asked questions

What is CVE-2025-44837?: TOTOLINK CPE CP900 V6.3c.1144_B20190715 was discovered to contain a command injection vulnerability in the CloudSrvUserdataVersionCheck function via the url or magicid parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request.
How severe is CVE-2025-44837?: CVE-2025-44837 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-44837 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-44837?: CVE-2025-44837 affects Totolink Cp900 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-44837?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-44837 have an EU (EUVD) identifier?: Yes. CVE-2025-44837 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12839.
When was CVE-2025-44837 published?: CVE-2025-44837 was published on 2025-05-01 and last updated on 2026-06-17.

References

https://github.com/n0wstr/IOTVuln/tree/main/CP900/CloudSrvUserdataVersionCheck

Affected products (1)

cpe:2.3:o:totolink:cp900_firmware:6.3c.1144_b20190715:*:*:*:*:*:*:*

More vulnerabilities in Totolink Cp900 Firmware

CVE-2022-28495 — Critical (CVSS 9.8): TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the…
CVE-2022-28496 — Critical (CVSS 9.8): TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 discovered to contain a command injection vulnerability in the…
CVE-2022-28497 — Critical (CVSS 9.8): TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 is discovered to contain a command injection vulnerability in the…
CVE-2022-28493 — Critical (CVSS 9.8): A vulnerability in TOTOLINK CP900 V6.3c.566 allows attackers to start the Telnet service,
CVE-2022-28491 — Critical (CVSS 9.8): TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 contains a command injection vulnerability in the NTPSyncWithHost…
CVE-2022-28492 — Critical (CVSS 9.8): TOTOLINK Technology CPE with firmware V6.3c.566 ,allows remote attackers to bypass Login.

All CVEs affecting Totolink Cp900 Firmware →

Other CWE-77 (Command Injection) vulnerabilities

CVE-2026-105484 — Critical (CVSS 10.0): A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the…
CVE-2026-105134 — Critical (CVSS 10.0): A flaw has been found in Ahsay AhsayCBS up to 10.3.2. This vulnerability affects unknown code of the file…
CVE-2026-102240 — Critical (CVSS 10.0): A vulnerability was found in Netcore NAP930 0.1.241010.141410. This affects the function eval of the file…
CVE-2026-101076 — Critical (CVSS 10.0): A vulnerability was detected in Netcore NR289-GE 1.4.5102. This affects the function system of the file…
CVE-2026-101075 — Critical (CVSS 10.0): A security vulnerability has been detected in Netcore NR289-GE 1.4.5102. The impacted element is the function system of…
CVE-2026-101072 — Critical (CVSS 10.0): A vulnerability was identified in Netcore NR289-GE 1.4.5102. This issue affects the function system of the file…

Browse all CWE-77 (Command Injection) vulnerabilities →