CVE-2015-9550
CVE-2015-9550 is a high-severity vulnerability in Totolink A850r-v1 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-668.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-668
- Affected product: Totolink A850r-v1 Firmware
- Published:
- Last modified:
Description
An issue was discovered on TOTOLINK A850R-V1 through 1.0.1-B20150707.1612 and F1-V2 through 1.1-B20150708.1646 devices. By sending a specific hel,xasf packet to the WAN interface, it is possible to open the web management interface on the WAN interface.
Frequently asked questions
- What is CVE-2015-9550?
- An issue was discovered on TOTOLINK A850R-V1 through 1.0.1-B20150707.1612 and F1-V2 through 1.1-B20150708.1646 devices. By sending a specific hel,xasf packet to the WAN interface, it is possible to open the web management interface on the WAN interface.
- How severe is CVE-2015-9550?
- CVE-2015-9550 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-2015-9550 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-9550?
- CVE-2015-9550 primarily affects Totolink A850r-v1 Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2015-9550?
- 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-2015-9550 published?
- CVE-2015-9550 was published on 2020-11-24 and last updated on 2026-06-17.
References
Affected products (8)
- cpe:2.3:o:totolink:a850r-v1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:totolink:f1-v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:totolink:f2-v1_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:totolink:n150rt-v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:totolink:n151rt-v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:totolink:n300rh-v2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:totolink:n300rh-v3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:totolink:n300rt-v2_firmware:*:*:*:*:*:*:*:*
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