CVE-2025-8938
CVE-2025-8938 is a medium-severity vulnerability in Totolink N350r 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-912.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 6.5
- CVSS v4: 2.1
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-24659
- Weakness: CWE-912
- Affected product: Totolink N350r Firmware
- Published:
- Last modified:
Description
A vulnerability was found in TOTOLINK N350R 1.2.3-B20130826. This issue affects the function formSysTel of the file /boafrm/formSysTel of the component Telnet Service. The manipulation of the argument TelEnabled leads to backdoor. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Frequently asked questions
- What is CVE-2025-8938?
- A vulnerability was found in TOTOLINK N350R 1.2.3-B20130826. This issue affects the function formSysTel of the file /boafrm/formSysTel of the component Telnet Service. The manipulation of the argument TelEnabled leads to backdoor. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
- How severe is CVE-2025-8938?
- CVE-2025-8938 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-2025-8938 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-8938?
- CVE-2025-8938 affects Totolink N350r Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-8938?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-8938 have an EU (EUVD) identifier?
- Yes. CVE-2025-8938 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24659.
- When was CVE-2025-8938 published?
- CVE-2025-8938 was published on 2025-08-14 and last updated on 2026-06-17.
References
- https://github.com/rew1X/CVE/blob/main/TOTOLINK/formSysTel/formSysTel.md
- https://github.com/rew1X/CVE/blob/main/TOTOLINK/formSysTel/formSysTel.md#poc
- https://vuldb.com/?ctiid.319901
- https://vuldb.com/?id.319901
- https://vuldb.com/?submit.631837
- https://www.totolink.net/
Affected products (1)
- cpe:2.3:o:totolink:n350r_firmware:1.2.3-b20130826:*:*:*:*:*:*:*
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- CVE-2025-8937 — Medium (CVSS 6.3): A vulnerability has been found in TOTOLINK N350R 1.2.3-B20130826. This vulnerability affects unknown code of the file…
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