CVE-2017-16959

6.5 mediumEPSS 1.9%

The locale feature in cgi-bin/luci on TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allows remote authenticated users to test for the existence of arbitrary files by making an operation=write;locale=%0d request, and then making an operation=read request with a crafted Accept-Language HTTP header, related to the set_sysinfo and get_sysinfo functions in /usr/lib/lua/luci/controller/locale.lua in uhttpd.

Severity

CVSS 3.0

6.5 medium

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2017-11-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tp-link:tl-er3210g_firmware
tp-link:tl-er3220g_firmware
tp-link:tl-er5110g_firmware
tp-link:tl-er5120g_firmware
tp-link:tl-er5510g_firmware
tp-link:tl-er5520g_firmware
tp-link:tl-er6110g_firmware
tp-link:tl-er6120g_firmware
tp-link:tl-er6220g_firmware
tp-link:tl-er6510g_firmware
tp-link:tl-er6520g_firmware
tp-link:tl-er7520g_firmware
tp-link:tl-r4149g_firmware
tp-link:tl-r4239g_firmware
tp-link:tl-r4299g_firmware
tp-link:tl-r473_firmware
tp-link:tl-r473g_firmware
tp-link:tl-r473p-ac_firmware
tp-link:tl-r478\+_firmware
tp-link:tl-r478_firmware
tp-link:tl-r478g\+_firmware
tp-link:tl-r478g_firmware
tp-link:tl-r479gp-ac_firmware
tp-link:tl-r479gpe-ac_firmware
tp-link:tl-r479p-ac_firmware
tp-link:tl-r483_firmware
tp-link:tl-r483g_firmware
tp-link:tl-r488_firmware
tp-link:tl-war1200l_firmware
tp-link:tl-war1300l_firmware
tp-link:tl-war1750l_firmware
tp-link:tl-war2600l_firmware
tp-link:tl-war302_firmware
tp-link:tl-war450_firmware
tp-link:tl-war450l_firmware
tp-link:tl-war458_firmware
tp-link:tl-war458l_firmware
tp-link:tl-war900l_firmware
tp-link:tl-wvr1200l_firmware
tp-link:tl-wvr1300g_firmware
tp-link:tl-wvr1300l_firmware
tp-link:tl-wvr1750l_firmware
tp-link:tl-wvr300_firmware
tp-link:tl-wvr302_firmware
tp-link:tl-wvr4300l_firmware
tp-link:tl-wvr450_firmware
tp-link:tl-wvr450g_firmware
tp-link:tl-wvr450l_firmware
tp-link:tl-wvr458_firmware
tp-link:tl-wvr458l_firmware

References

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