How severe is CVE-2017-17757?

CVE-2017-17757 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-17757 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17757?

CVE-2017-17757 primarily affects Tp-link Tl-wvr450l Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-17757?

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-2017-17757 published?

CVE-2017-17757 was published on 2017-12-19 and last updated on 2026-06-17.

CVE-2017-17757

CVE-2017-17757 is a high-severity vulnerability in Tp-link Tl-wvr450l Firmware with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Tp-link Tl-wvr450l Firmware
Published: 2017-12-19
Last modified: 2026-06-17

Description

TP-Link TL-WVR and TL-WAR devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the interface field of an admin/wportal command to cgi-bin/luci, related to the get_device_byif function in /usr/lib/lua/luci/controller/admin/wportal.lua in uhttpd.

Frequently asked questions

What is CVE-2017-17757?: TP-Link TL-WVR and TL-WAR devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the interface field of an admin/wportal command to cgi-bin/luci, related to the get_device_byif function in /usr/lib/lua/luci/controller/admin/wportal.lua in uhttpd.
How severe is CVE-2017-17757?: CVE-2017-17757 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-17757 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17757?: CVE-2017-17757 primarily affects Tp-link Tl-wvr450l Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-17757?: 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-2017-17757 published?: CVE-2017-17757 was published on 2017-12-19 and last updated on 2026-06-17.

References

https://github.com/L1ZhaoXin/Router-Vulnerability-Research/blob/master/Tplink_LUCI_Wechat_Authenticated_RCE_Record.txt

Affected products (15)

cpe:2.3:o:tp-link:tl-wvr450l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wvr458l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wvr900l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wvr1200l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wvr1300l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wvr1750l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wvr2600l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wvr4300l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-war450l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-war458l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-war900l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-war1200l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-war1300l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-war1750l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-war2600l_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Tp-link Tl-wvr450l Firmware

CVE-2017-17758 — High (CVSS 8.8): TP-Link TL-WVR and TL-WAR devices allow remote authenticated users to execute arbitrary commands via shell…
CVE-2017-16960 — High (CVSS 8.8): TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute arbitrary commands via…
CVE-2017-16958 — High (CVSS 8.8): TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute arbitrary commands via…
CVE-2017-16957 — High (CVSS 8.8): TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute arbitrary commands via…
CVE-2017-16959 — Medium (CVSS 6.5): The locale feature in cgi-bin/luci on TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allows remote authenticated users…

All CVEs affecting Tp-link Tl-wvr450l Firmware →

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