VulnerabilityAnalyzed
CVE-2026-1143
A weakness has been identified in TOTOLINK A3700R 9.1.2u.5822_B20200513.
HIGH 7.4EPSS 0.68%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A weakness has been identified in TOTOLINK A3700R 9.1.2u.5822_B20200513. This affects the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument ssid can lead to buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
- CVSS 4.0
- 7.4 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.68% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- totolink/a3700r firmware
- Source
- cna@vuldb.com
References
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-2e353a41781f8057a244ead07d5eaaff?source=copy_linkExploit, Third Party Advisory
- https://vuldb.com/?ctiid.341735Permissions Required, VDB Entry
- https://vuldb.com/?id.341735Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.735502Third Party Advisory, VDB Entry
- https://www.totolink.net/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.