CVE-2025-9577
CVE-2025-9577 is a low-severity vulnerability in Totolink X2000r Firmware with a CVSS 3.x base score of 2.5. 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-1392.
Key facts
- Severity: Low (CVSS 3.x base score 2.5)
- CVSS v2: 1.0
- CVSS v4: 1.1
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-26138
- Weakness: CWE-1392
- Affected product: Totolink X2000r Firmware
- Published:
- Last modified:
Description
A security flaw has been discovered in TOTOLINK X2000R up to 2.0.0. The affected element is an unknown function of the file /etc/shadow.sample of the component Administrative Interface. The manipulation results in use of default credentials. Attacking locally is a requirement. Attacks of this nature are highly complex. The exploitability is described as difficult. The exploit has been released to the public and may be exploited.
Frequently asked questions
- What is CVE-2025-9577?
- A security flaw has been discovered in TOTOLINK X2000R up to 2.0.0. The affected element is an unknown function of the file /etc/shadow.sample of the component Administrative Interface. The manipulation results in use of default credentials. Attacking locally is a requirement. Attacks of this nature are highly complex. The exploitability is described as difficult. The exploit has been released to the public and may be exploited.
- How severe is CVE-2025-9577?
- CVE-2025-9577 has a CVSS 3.x base score of 2.5, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2025-9577 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-9577?
- CVE-2025-9577 affects Totolink X2000r Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-9577?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-9577 have an EU (EUVD) identifier?
- Yes. CVE-2025-9577 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26138.
- When was CVE-2025-9577 published?
- CVE-2025-9577 was published on 2025-08-28 and last updated on 2026-06-17.
References
- https://github.com/XXRicardo/iot-cve/blob/main/TOLOLINK/X2000R-Gh-V2.0.0.md
- https://github.com/XXRicardo/iot-cve/blob/main/TOLOLINK/X2000R-Gh-V2.0.0.md#steps-to-reproduce
- https://vuldb.com/?ctiid.321691
- https://vuldb.com/?id.321691
- https://vuldb.com/?submit.636069
- https://www.totolink.net/
Affected products (1)
- cpe:2.3:o:totolink:x2000r_firmware:2.0.0-b20230727.1043.web:*:*:*:*:*:*:*
More vulnerabilities in Totolink X2000r Firmware
- CVE-2024-22529 — Critical (CVSS 9.8): TOTOLINK X2000R_V2 V2.0.0-B20230727.10434 has a command injection vulnerability in the sub_449040 (handle function of…
- CVE-2023-51136 — Critical (CVSS 9.8): TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function…
- CVE-2023-51135 — Critical (CVSS 9.8): TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function…
- CVE-2023-51133 — Critical (CVSS 9.8): TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formRoute.
- CVE-2023-46564 — Critical (CVSS 9.8): TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formDMZ.
- CVE-2023-46563 — Critical (CVSS 9.8): TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formIpQoS.
All CVEs affecting Totolink X2000r Firmware →
Other CWE-1392 vulnerabilities
- CVE-2025-55051 — Critical (CVSS 10.0): CWE-1392: Use of Default Credentials
- CVE-2023-3703 — Critical (CVSS 10.0): Proscend Advice ICR Series routers FW version 1.76 - CWE-1392: Use of Default Credentials
- CVE-2026-58466 — Critical (CVSS 9.8): AutoBangumi before 3.2.8 contains a hard-coded default credentials vulnerability that allows unauthenticated attackers…
- CVE-2026-58453 — Critical (CVSS 9.8): JAIOTlink C492A-W6 Wi-Fi IP cameras running firmware 4.8.30.57701411 contain a hard-coded credentials vulnerability…
- CVE-2026-44159 — Critical (CVSS 9.8): Tyler Identity Local (TID-L) uses documented, default administrative credentials. Users are not required to change the…
- CVE-2026-42072 — Critical (CVSS 9.8): Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and…