CVE-2019-18661
CVE-2019-18661 is a high-severity vulnerability in Fastweb Fastgate Firmware with a CVSS 3.x base score of 7.5. 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-287.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (71st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Fastweb Fastgate Firmware
- Published:
- Last modified:
Description
Fastweb FASTGate 1.0.1b devices allow partial authentication bypass by changing a certain check_pwd return value from 0 to 1. An attack does not achieve administrative control of a device; however, the attacker can view all of the web pages of the administration console.
Frequently asked questions
- What is CVE-2019-18661?
- Fastweb FASTGate 1.0.1b devices allow partial authentication bypass by changing a certain check_pwd return value from 0 to 1. An attack does not achieve administrative control of a device; however, the attacker can view all of the web pages of the administration console.
- How severe is CVE-2019-18661?
- CVE-2019-18661 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2019-18661 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-18661?
- CVE-2019-18661 affects Fastweb Fastgate Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-18661?
- 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.
- When was CVE-2019-18661 published?
- CVE-2019-18661 was published on 2019-11-02 and last updated on 2026-06-17.
References
- https://angeloanatrella86.github.io/CVE-2019/
- https://github.com/angeloanatrella86/CVE-2019/blob/master/index.md
Affected products (1)
- cpe:2.3:o:fastweb:fastgate_firmware:1.0.1b:*:*:*:*:*:*:*
More vulnerabilities in Fastweb Fastgate Firmware
- CVE-2018-20122 — Critical (CVSS 9.8): The web interface on FASTGate Fastweb devices with firmware through 0.00.47_FW_200_Askey 2017-05-17 (software through…
- CVE-2018-6023 — High (CVSS 8.8): Fastweb FASTgate 0.00.47 devices are vulnerable to CSRF, with impacts including Wi-Fi password changing, Guest Wi-Fi…
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- CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
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