CVE-2026-25857
HighSummary
Router Tenda G300-F w wersji oprogramowania 16.01.14.2 i wcześniejszych zawiera podatność na wstrzykiwanie poleceń systemowych w funkcjonalności diagnostyki WAN (formSetWanDiag). Wdrożenie to konstruuje polecenie powłoki, które wywołuje curl i włącza dane kontrolowane przez atakującego bez odpowiedniego neutralizowania.
Risk Assessment
Zdalny atakujący z dostępem do interfejsu zarządzania może wstrzykiwać dodatkową składnię powłoki i wykonywać dowolne polecenia na urządzeniu z uprawnieniami procesu zarządzania, co stwarza poważne zagrożenie dla bezpieczeństwa.
Recommendation
Zaleca się aktualizację oprogramowania routera do najnowszej wersji, aby usunąć tę podatność oraz ograniczenie dostępu do interfejsu zarządzania tylko dla zaufanych użytkowników.
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Original NVD description (English source)
Tenda G300-F router firmware version 16.01.14.2 and prior contain an OS command injection vulnerability in the WAN diagnostic functionality (formSetWanDiag). The implementation constructs a shell command that invokes curl and incorporates attacker-controlled input into the command line without adequate neutralization. As a result, a remote attacker with access to the affected management interface can inject additional shell syntax and execute arbitrary commands on the device with the privileges of the management process.