TOTOLINK A800R firewall.so cstecgi.cgi setUrlFilterRules stack-based overflow (TOTOLINK A800R)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.85 % · percentile 58 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- VulDB
- NVD status
- Deferred
Description
A vulnerability was identified in TOTOLINK A800R 4.1.2cu.5137_B20200730. This impacts the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument url leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.
Weaknesses (CWE)
- CWE-121 — Stack-based Buffer Overflow
- CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | HIGH 8.7 | CVSS: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 | VulDB |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| CVSS 3.0 | HIGH 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| CVSS 2.0 | CRITICAL 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
| CVSS 4.0 | HIGH 7.4 | CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD · cna@vuldb.com (Secondary) |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · cna@vuldb.com (Primary) |
| CVSS 2.0 | HIGH 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C | NVD · cna@vuldb.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-58735
- GCVE · GCVE-0-2026-19846
Affected products
| Product | Versions |
|---|---|
| TOTOLINK · A800R | affected 4.1.2cu.5137_B20200730 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |