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CVE-2018-16596

23
FAUCET Score

CVE-2018-16596 is a stack-based buffer overflow in the LAN UPnP service of Swisscom Internet-Box (2, Standard, Plus) prior to v09.04.00 and Internet-Box light prior to v08.05.02. This vulnerability allows an unauthenticated attacker within the local network to execute remote code by sending a crafted UDP packet to port 1900. While the CVSS score is 7.5 (HIGH), the exploit success rate is not 100% due to ASLR, often leading to a Denial of Service for the UPnP service. There is no known active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 09.04.00CPE matchmatch criteria
cpe:2.3:o:swisscom:internet-box_standard_firmware:*:*:*:*:*:*:*:*
< 08.05.02CPE matchmatch criteria
cpe:2.3:o:swisscom:internet-box_light_firmware:*:*:*:*:*:*:*:*
< 09.04.00CPE matchmatch criteria
cpe:2.3:o:swisscom:internet-box_plus_firmware:*:*:*:*:*:*:*:*
<= 09.04.00CPE matchmatch criteria
cpe:2.3:o:swisscom:internet-box_2_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.70%
Probability of exploitation in next 30 days
EPSS Percentile
49.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0070 is in the 61st percentile among its peer group of 239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

swisscom.ch / content/dam/swisscom/de/about/nachhaltigkeit/digitale-schweiz/sicherheit/bug-bounty/files/cve-2018-16596.txt
Vendor Advisory