CVE-2017-18369
CVE-2017-18369 is a critical-severity vulnerability in Billion 5200w-t Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 68% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 68% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Billion 5200w-t Firmware
- Published:
- Last modified:
Description
The Billion 5200W-T 1.02b.rc5.dt49 router distributed by TrueOnline has a command injection vulnerability in the Remote System Log forwarding function, which is accessible by an unauthenticated user. The vulnerability is in the adv_remotelog.asp page and can be exploited through the syslogServerAddr parameter.
Frequently asked questions
- What is CVE-2017-18369?
- The Billion 5200W-T 1.02b.rc5.dt49 router distributed by TrueOnline has a command injection vulnerability in the Remote System Log forwarding function, which is accessible by an unauthenticated user. The vulnerability is in the adv_remotelog.asp page and can be exploited through the syslogServerAddr parameter.
- How severe is CVE-2017-18369?
- CVE-2017-18369 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-18369 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 68% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-18369?
- CVE-2017-18369 affects Billion 5200w-t Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-18369?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2017-18369 published?
- CVE-2017-18369 was published on 2019-05-02 and last updated on 2026-06-17.
References
- https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt
- https://seclists.org/fulldisclosure/2017/Jan/40
- https://ssd-disclosure.com/index.php/archives/2910
Affected products (1)
- cpe:2.3:o:billion:5200w-t_firmware:1.02b:rc5.dt49:*:*:*:*:*:*
More vulnerabilities in Billion 5200w-t Firmware
- CVE-2017-18371 — Critical (CVSS 9.8): The ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6 router distributed by TrueOnline has three user accounts with default…
- CVE-2017-18368 — Critical (CVSS 9.8): The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has a command…
- CVE-2017-18374 — High (CVSS 8.8): The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has two user…
- CVE-2017-18373 — High (CVSS 8.8): The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has three user accounts with…
- CVE-2017-18372 — High (CVSS 8.8): The Billion 5200W-T TCLinux Fw $7.3.8.0 v008 130603 router distributed by TrueOnline has a command injection…
- CVE-2017-18370 — High (CVSS 8.8): The ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6 router distributed by TrueOnline has a command injection vulnerability in…
All CVEs affecting Billion 5200w-t Firmware →
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