CVE-2025-25900
CVE-2025-25900 is a medium-severity vulnerability in Tp-link Tl-wr841nd V11 Firmware with a CVSS 3.x base score of 4.9. 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-120.
Key facts
- Severity: Medium (CVSS 3.x base score 4.9)
- EPSS exploit prediction: 0% (31st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-4139
- Weakness: CWE-120
- Affected product: Tp-link Tl-wr841nd V11 Firmware
- Published:
- Last modified:
Description
A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the username and password parameters at /userRpm/PPPoEv6CfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
Frequently asked questions
- What is CVE-2025-25900?
- A buffer overflow vulnerability was discovered in TP-Link TL-WR841ND V11 via the username and password parameters at /userRpm/PPPoEv6CfgRpm.htm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- How severe is CVE-2025-25900?
- CVE-2025-25900 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2025-25900 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-25900?
- CVE-2025-25900 affects Tp-link Tl-wr841nd V11 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-25900?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-25900 have an EU (EUVD) identifier?
- Yes. CVE-2025-25900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4139.
- When was CVE-2025-25900 published?
- CVE-2025-25900 was published on 2025-02-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tp-link:tl-wr841nd_v11_firmware:-:*:*:*:*:*:*:*
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