# CVE-2026-116507: TOTOLINK A950RG information disclosure in getLanguageCfg

Source: https://junglewise.ai/threats/cve-2026-116507-a-vulnerability-was-identified-in-totolink-a950rg-4-1-2cu-5268  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-26. Updated: 2026-10-26  
License: CC BY 4.0 with a link back

CVE-2026-116507 · Severity: medium · CVSS 5.3 · Published 2026-10-26

The TOTOLINK A950RG is a consumer router whose web management interface discloses the active administrative session token in plaintext to any network attacker without authentication. An attacker can capture this token and use it to impersonate the administrator indefinitely, gaining full control of the device and all its managed network traffic.

Technologies: [TOTOLINK A950rg](https://junglewise.ai/threats/technologies/a950rg). Vendors: [TOTOLINK](https://junglewise.ai/threats/vendors/totolink).

## Quick answers

**Is CVE-2026-116507 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-116507 being exploited in the wild.

**How severe is CVE-2026-116507?** Medium severity, with a CVSS score of 5.3, published 26 October 2026.

**Which products and versions are affected?** TOTOLINK A950rg 4.1.2cu.5268_B20221104.

**Is there a fix for CVE-2026-116507?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-116507 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-116507?** Check whether you run TOTOLINK A950rg at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The getLanguageCfg endpoint in global.so is whitelisted to allow unauthenticated access for pre-login operations, but the handler improperly leaks the session token stored in /tmp/cookie_key when an administrator is logged in. An attacker can request the endpoint over HTTP/LAN to retrieve the plaintext token and replay it to bypass authentication; the token is refreshed on every request, allowing indefinite session hijacking.

## Affected products

- TOTOLINK A950RG 4.1.2cu.5268_B20221104

## Timeline

- 2026-10-26: disclosed
- 2026-10-10: other: Public proof of concept published on GitHub

## References

- [https://gist.github.com/H3rmesk1t/dd00f9b1c7b90a07c306ae369738f99f](https://gist.github.com/H3rmesk1t/dd00f9b1c7b90a07c306ae369738f99f)
- [https://vuldb.com/cve/CVE-2026-116507](https://vuldb.com/cve/CVE-2026-116507)

## Related threats

- [TOTOLINK A950RG stack buffer overflow in MAC filter handler](https://junglewise.ai/threats/cve-2026-121600-a-flaw-has-been-found-in-totolink-a950rg-4-1-2cu-5268-b20221104)
- [TOTOLINK A950RG stack buffer overflow in WiFi configuration](https://junglewise.ai/threats/cve-2026-121599-a-vulnerability-was-detected-in-totolink-a950rg-4-1-2cu-5268)
- [TOTOLINK A950RG stack buffer overflow in wireless configuration](https://junglewise.ai/threats/cve-2026-121598-a-security-vulnerability-has-been-detected-in-totolink-a950rg-4)
- [TOTOLINK A950RG stack buffer overflow in Easy Setup Wizard](https://junglewise.ai/threats/cve-2026-121597-a-weakness-has-been-identified-in-totolink-a950rg-4-1-2cu-5268)
- [TOTOLINK A950RG stack buffer overflow in infostat.cgi](https://junglewise.ai/threats/cve-2026-116508-a-security-flaw-has-been-discovered-in-totolink-a950rg-4-1-2cu)