CVE-2026-31165
published 2026-04-23CVE-2026-31165: An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the pppoeServiceName parameter…
PriorityP342medium6.5CVSS 3.1
AVNACLPRNUINSUCLILAN
EPSS
0.28%
19.8th percentile
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the pppoeServiceName parameter to /cgi-bin/cstecgi.cgi.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| totolink | a3300r_firmware | — | — |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Totolink A3300R 17.0.0cu.557_B20221024 /cgi-bin/cstecgi.cgi pppoeServiceName command injection
vuldb·2026-04-23·CVSS 6.5
CVE-2026-31165 [MEDIUM] Totolink A3300R 17.0.0cu.557_B20221024 /cgi-bin/cstecgi.cgi pppoeServiceName command injection
A vulnerability classified as critical was found in Totolink A3300R 17.0.0cu.557_B20221024. This impacts an unknown function of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument pppoeServiceName can lead to command injection.
This vulnerability is registered as CVE-2026-31165. It is possible to launch the attack remotely. No exploit is available.
GHSA
GHSA-83gp-p6q8-6rr3: An issue was discovered in ToToLink A3300R firmware v17
ghsa_unreviewed·2026-04-23
CVE-2026-31165 [MEDIUM] CWE-77 GHSA-83gp-p6q8-6rr3: An issue was discovered in ToToLink A3300R firmware v17
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the pppoeServiceName parameter to /cgi-bin/cstecgi.cgi.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-04-23
Published